373878439809 has 12 divisors (see below), whose sum is σ = 579893090544. Its totient is φ = 213644822664.

The previous prime is 373878439747. The next prime is 373878439813. The reversal of 373878439809 is 908934878373.

It is not a de Polignac number, because 373878439809 - 2⁸ = 373878439553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (373878439819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271695227 + ... + 1271695520.

It is an arithmetic number, because the mean of its divisors is an integer number (48324424212).

Almost surely, 2^373878439809 is an apocalyptic number.

It is an amenable number.

373878439809 is a deficient number, since it is larger than the sum of its proper divisors (206014650735).

373878439809 is a wasteful number, since it uses less digits than its factorization.

373878439809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543390764 (or 2543390757 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 373878439809 in words is "three hundred seventy-three billion, eight hundred seventy-eight million, four hundred thirty-nine thousand, eight hundred nine".