13020002977 has 2 divisors, whose sum is σ = 13020002978. Its totient is φ = 13020002976.

The previous prime is 13020002971. The next prime is 13020003011. The reversal of 13020002977 is 77920002031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12410851216 + 609151761 = 111404^2 + 24681^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020002977 - 2³ = 13020002969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020002971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510001488 + 6510001489.

It is an arithmetic number, because the mean of its divisors is an integer number (6510001489).

Almost surely, 2^13020002977 is an apocalyptic number.

It is an amenable number.

13020002977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020002977 is an equidigital number, since it uses as much as digits as its factorization.

13020002977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The spelling of 13020002977 in words is "thirteen billion, twenty million, two thousand, nine hundred seventy-seven".