356809195842 has 64 divisors (see below), whose sum is σ = 834217864704. Its totient is φ = 100537667840.

The previous prime is 356809195807. The next prime is 356809195867. The reversal of 356809195842 is 248591908653.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1822608 + ... + 2008859.

It is an arithmetic number, because the mean of its divisors is an integer number (13034654136).

Almost surely, 2^356809195842 is an apocalyptic number.

356809195842 is an abundant number, since it is smaller than the sum of its proper divisors (477408668862).

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

356809195842 is a wasteful number, since it uses less digits than its factorization.

356809195842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831583.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 356809195842 in words is "three hundred fifty-six billion, eight hundred nine million, one hundred ninety-five thousand, eight hundred forty-two".