6354732797257 has 32 divisors (see below), whose sum is σ = 7130344915232. Its totient is φ = 5624805556224.

The previous prime is 6354732797239. The next prime is 6354732797261. The reversal of 6354732797257 is 7527972374536.

It can be written as a sum of positive squares in 16 ways, for example, as 184422149136 + 6170310648121 = 429444^2 + 2484011^2 .

It is a cyclic number.

It is not a de Polignac number, because 6354732797257 - 2³⁵ = 6320373058889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6354732797192 and 6354732797201.

It is not an unprimeable number, because it can be changed into a prime (6354732792257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45471793 + ... + 45611329.

It is an arithmetic number, because the mean of its divisors is an integer number (222823278601).

Almost surely, 2^{6354732797257} is an apocalyptic number.

It is an amenable number.

6354732797257 is a deficient number, since it is larger than the sum of its proper divisors (775612117975).

6354732797257 is a wasteful number, since it uses less digits than its factorization.

6354732797257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140957.

The product of its digits is 466754400, while the sum is 67.

The spelling of 6354732797257 in words is "six trillion, three hundred fifty-four billion, seven hundred thirty-two million, seven hundred ninety-seven thousand, two hundred fifty-seven".