829419400538 has 4 divisors (see below), whose sum is σ = 1244129100810. Its totient is φ = 414709700268.

The previous prime is 829419400529. The next prime is 829419400549. The reversal of 829419400538 is 835004914928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 716245693969 + 113173706569 = 846313^2 + 336413^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 829419400538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207354850133 + ... + 207354850136.

Almost surely, 2^829419400538 is an apocalyptic number.

829419400538 is a deficient number, since it is larger than the sum of its proper divisors (414709700272).

829419400538 is a wasteful number, since it uses less digits than its factorization.

829419400538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414709700271.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 829419400538 in words is "eight hundred twenty-nine billion, four hundred nineteen million, four hundred thousand, five hundred thirty-eight".