13190625977 has 2 divisors, whose sum is σ = 13190625978. Its totient is φ = 13190625976.

The previous prime is 13190625967. The next prime is 13190626013. The reversal of 13190625977 is 77952609131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6607088656 + 6583537321 = 81284^2 + 81139^2 .

It is a cyclic number.

It is not a de Polignac number, because 13190625977 - 2¹⁶ = 13190560441 is a prime.

It is a super-2 number, since 2×13190625977² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13190625967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595312988 + 6595312989.

It is an arithmetic number, because the mean of its divisors is an integer number (6595312989).

Almost surely, 2^13190625977 is an apocalyptic number.

It is an amenable number.

13190625977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13190625977 is an equidigital number, since it uses as much as digits as its factorization.

13190625977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 13190625977 in words is "thirteen billion, one hundred ninety million, six hundred twenty-five thousand, nine hundred seventy-seven".