3678550116931 has 2 divisors, whose sum is σ = 3678550116932. Its totient is φ = 3678550116930.

The previous prime is 3678550116911. The next prime is 3678550117103. The reversal of 3678550116931 is 1396110558763.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3678550116931 - 2⁹ = 3678550116419 is a prime.

It is a super-2 number, since 2×3678550116931² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3678550116911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839275058465 + 1839275058466.

It is an arithmetic number, because the mean of its divisors is an integer number (1839275058466).

Almost surely, 2^{3678550116931} is an apocalyptic number.

3678550116931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678550116931 is an equidigital number, since it uses as much as digits as its factorization.

3678550116931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 3678550116931 in words is "three trillion, six hundred seventy-eight billion, five hundred fifty million, one hundred sixteen thousand, nine hundred thirty-one".