6397252442 has 64 divisors (see below), whose sum is σ = 11488075776. Its totient is φ = 2614265280.

The previous prime is 6397252409. The next prime is 6397252457. The reversal of 6397252442 is 2442527936.

It is a junction number, because it is equal to n+sod(n) for n = 6397252393 and 6397252402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16113788 + ... + 16114184.

It is an arithmetic number, because the mean of its divisors is an integer number (179501184).

Almost surely, 2^6397252442 is an apocalyptic number.

6397252442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6397252442 is a deficient number, since it is larger than the sum of its proper divisors (5090823334).

6397252442 is a wasteful number, since it uses less digits than its factorization.

6397252442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 725760, while the sum is 44.

The square root of 6397252442 is about 79982.8259190684. The cubic root of 6397252442 is about 1856.3698071961.

The spelling of 6397252442 in words is "six billion, three hundred ninety-seven million, two hundred fifty-two thousand, four hundred forty-two".