6397410692538 has 24 divisors (see below), whose sum is σ = 13896689051700. Its totient is φ = 2126988299904.

The previous prime is 6397410692509. The next prime is 6397410692549. The reversal of 6397410692538 is 8352960147936.

6397410692538 is a `hidden beast` number, since 6 + 3 + 9 + 7 + 4 + 1 + 0 + 6 + 92 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6380357727969 + 17052964569 = 2525937^2 + 130587^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456820383 + ... + 456834386.

It is a 2-persistent number, because it is pandigital, and so is 2⋅6397410692538 = 12794821385076, but 3⋅6397410692538 = 19192232077614 is not.

Almost surely, 2^{6397410692538} is an apocalyptic number.

6397410692538 is an abundant number, since it is smaller than the sum of its proper divisors (7499278359162).

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

6397410692538 is a wasteful number, since it uses less digits than its factorization.

6397410692538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913655166 (or 913655163 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 6397410692538 in words is "six trillion, three hundred ninety-seven billion, four hundred ten million, six hundred ninety-two thousand, five hundred thirty-eight".