3900690753438 has 32 divisors (see below), whose sum is σ = 7900432934400. Its totient is φ = 1283722929216.

The previous prime is 3900690753433. The next prime is 3900690753439. The reversal of 3900690753438 is 8343570960093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900690753431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13632370 + ... + 13915562.

It is an arithmetic number, because the mean of its divisors is an integer number (246888529200).

Almost surely, 2^{3900690753438} is an apocalyptic number.

3900690753438 is an abundant number, since it is smaller than the sum of its proper divisors (3999742180962).

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

3900690753438 is a wasteful number, since it uses less digits than its factorization.

3900690753438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312336.

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 3900690753438 in words is "three trillion, nine hundred billion, six hundred ninety million, seven hundred fifty-three thousand, four hundred thirty-eight".