3914823913838 has 4 divisors (see below), whose sum is σ = 5872235870760. Its totient is φ = 1957411956918.

The previous prime is 3914823913799. The next prime is 3914823913859. The reversal of 3914823913838 is 8383193284193.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978705978458 + ... + 978705978461.

It is an arithmetic number, because the mean of its divisors is an integer number (1468058967690).

Almost surely, 2^{3914823913838} is an apocalyptic number.

3914823913838 is a deficient number, since it is larger than the sum of its proper divisors (1957411956922).

3914823913838 is a wasteful number, since it uses less digits than its factorization.

3914823913838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957411956921.

The product of its digits is 26873856, while the sum is 62.

The spelling of 3914823913838 in words is "three trillion, nine hundred fourteen billion, eight hundred twenty-three million, nine hundred thirteen thousand, eight hundred thirty-eight".