80101913 has 2 divisors, whose sum is σ = 80101914. Its totient is φ = 80101912.

The previous prime is 80101907. The next prime is 80101927. The reversal of 80101913 is 31910108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 37552384 = 6523^2 + 6128^2 .

It is a cyclic number.

It is not a de Polignac number, because 80101913 - 2⁴ = 80101897 is a prime.

It is not a weakly prime, because it can be changed into another prime (80101933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40050956 + 40050957.

It is an arithmetic number, because the mean of its divisors is an integer number (40050957).

Almost surely, 2^80101913 is an apocalyptic number.

It is an amenable number.

80101913 is a deficient number, since it is larger than the sum of its proper divisors (1).

80101913 is an equidigital number, since it uses as much as digits as its factorization.

80101913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 80101913 is about 8949.9672066438. The cubic root of 80101913 is about 431.0698311172.

The spelling of 80101913 in words is "eighty million, one hundred one thousand, nine hundred thirteen".