3918622095378 has 12 divisors (see below), whose sum is σ = 8490347873358. Its totient is φ = 1306207365120.

The previous prime is 3918622095337. The next prime is 3918622095379. The reversal of 3918622095378 is 8735902268193.

3918622095378 is a `hidden beast` number, since 3 + 9 + 18 + 62 + 20 + 9 + 537 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3425434728849 + 493187366529 = 1850793^2 + 702273^2 .

It is not an unprimeable number, because it can be changed into a prime (3918622095379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108850613743 + ... + 108850613778.

Almost surely, 2^{3918622095378} is an apocalyptic number.

3918622095378 is an abundant number, since it is smaller than the sum of its proper divisors (4571725777980).

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

3918622095378 is a wasteful number, since it uses less digits than its factorization.

3918622095378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217701227529 (or 217701227526 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 3918622095378 in words is "three trillion, nine hundred eighteen billion, six hundred twenty-two million, ninety-five thousand, three hundred seventy-eight".