6481860100 has 81 divisors (see below), whose sum is σ = 14385431487. Its totient is φ = 2535098880.

The previous prime is 6481860097. The next prime is 6481860103. The reversal of 6481860100 is 10681846.

The square root of 6481860100 is 80510.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (6481860097) and next prime (6481860103).

It can be written as a sum of positive squares in 4 ways, for example, as 238331844 + 6243528256 = 15438^2 + 79016^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6481860103) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 66823252 + ... + 66823348.

Almost surely, 2^6481860100 is an apocalyptic number.

6481860100 is the 80510-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6481860100

6481860100 is an abundant number, since it is smaller than the sum of its proper divisors (7903571387).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6481860100 is an equidigital number, since it uses as much as digits as its factorization.

6481860100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The cubic root of 6481860100 is about 1864.5178742588.

Multiplying 6481860100 by its product of nonzero digits (9216), we get a square (59736822681600 = 7728960²).

The spelling of 6481860100 in words is "six billion, four hundred eighty-one million, eight hundred sixty thousand, one hundred".