6461401763 has 8 divisors (see below), whose sum is σ = 6821664720. Its totient is φ = 6103157760.

The previous prime is 6461401747. The next prime is 6461401777. The reversal of 6461401763 is 3671041646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6461401763 - 2⁴ = 6461401747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6461401783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498158 + ... + 510963.

It is an arithmetic number, because the mean of its divisors is an integer number (852708090).

Almost surely, 2^6461401763 is an apocalyptic number.

6461401763 is a deficient number, since it is larger than the sum of its proper divisors (360262957).

6461401763 is a wasteful number, since it uses less digits than its factorization.

6461401763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009477.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 6461401763 is about 80382.8449546295. The cubic root of 6461401763 is about 1862.5541819170.

The spelling of 6461401763 in words is "six billion, four hundred sixty-one million, four hundred one thousand, seven hundred sixty-three".