538438463970 has 64 divisors (see below), whose sum is σ = 1409869670400. Its totient is φ = 130517585600.

The previous prime is 538438463867. The next prime is 538438463971. The reversal of 538438463970 is 79364834835.

It is not an unprimeable number, because it can be changed into a prime (538438463971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3488125 + ... + 3639215.

It is an arithmetic number, because the mean of its divisors is an integer number (22029213600).

Almost surely, 2^538438463970 is an apocalyptic number.

538438463970 is an abundant number, since it is smaller than the sum of its proper divisors (871431206430).

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

538438463970 is a wasteful number, since it uses less digits than its factorization.

538438463970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161911.

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 538438463970 in words is "five hundred thirty-eight billion, four hundred thirty-eight million, four hundred sixty-three thousand, nine hundred seventy".