3912265019838 has 32 divisors (see below), whose sum is σ = 9124816377600. Its totient is φ = 1117790005080.

The previous prime is 3912265019809. The next prime is 3912265019851. The reversal of 3912265019838 is 8389105622193.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950499648 + ... + 950503763.

It is an arithmetic number, because the mean of its divisors is an integer number (285150511800).

Almost surely, 2^{3912265019838} is an apocalyptic number.

3912265019838 is an abundant number, since it is smaller than the sum of its proper divisors (5212551357762).

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

3912265019838 is a wasteful number, since it uses less digits than its factorization.

3912265019838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901003437 (or 1901003423 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 3912265019838 in words is "three trillion, nine hundred twelve billion, two hundred sixty-five million, nineteen thousand, eight hundred thirty-eight".