3807138542318 has 4 divisors (see below), whose sum is σ = 5710707813480. Its totient is φ = 1903569271158.

The previous prime is 3807138542303. The next prime is 3807138542321. The reversal of 3807138542318 is 8132458317083.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3807138542318.

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, 951784635578 + ... + 951784635581.

It is an arithmetic number, because the mean of its divisors is an integer number (1427676953370).

Almost surely, 2^{3807138542318} is an apocalyptic number.

3807138542318 is a deficient number, since it is larger than the sum of its proper divisors (1903569271162).

3807138542318 is a wasteful number, since it uses less digits than its factorization.

3807138542318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903569271161.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 3807138542318 in words is "three trillion, eight hundred seven billion, one hundred thirty-eight million, five hundred forty-two thousand, three hundred eighteen".