838473056135 has 32 divisors (see below), whose sum is σ = 1187017251840. Its totient is φ = 560535696000.

The previous prime is 838473056123. The next prime is 838473056189. The reversal of 838473056135 is 531650374838.

It is not a de Polignac number, because 838473056135 - 2⁴ = 838473056119 is a prime.

It is a super-2 number, since 2×838473056135² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2282441 + ... + 2624210.

It is an arithmetic number, because the mean of its divisors is an integer number (37094289120).

Almost surely, 2^838473056135 is an apocalyptic number.

838473056135 is a deficient number, since it is larger than the sum of its proper divisors (348544195705).

838473056135 is a wasteful number, since it uses less digits than its factorization.

838473056135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906919.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 838473056135 in words is "eight hundred thirty-eight billion, four hundred seventy-three million, fifty-six thousand, one hundred thirty-five".