6485742501 has 16 divisors (see below), whose sum is σ = 10050547200. Its totient is φ = 3643321968.

The previous prime is 6485742401. The next prime is 6485742559. The reversal of 6485742501 is 1052475846.

It is a happy number.

It is not a de Polignac number, because 6485742501 - 2¹¹ = 6485740453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485742401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616091 + ... + 2618568.

It is an arithmetic number, because the mean of its divisors is an integer number (628159200).

Almost surely, 2^6485742501 is an apocalyptic number.

It is an amenable number.

6485742501 is a deficient number, since it is larger than the sum of its proper divisors (3564804699).

6485742501 is a wasteful number, since it uses less digits than its factorization.

6485742501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234728.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 6485742501 is about 80534.1076873644. The cubic root of 6485742501 is about 1864.8900596689.

The spelling of 6485742501 in words is "six billion, four hundred eighty-five million, seven hundred forty-two thousand, five hundred one".