45437697979 has 2 divisors, whose sum is σ = 45437697980. Its totient is φ = 45437697978.

The previous prime is 45437697947. The next prime is 45437698003. The reversal of 45437697979 is 97979673454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45437697979 - 2⁵ = 45437697947 is a prime.

It is not a weakly prime, because it can be changed into another prime (42437697979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22718848989 + 22718848990.

It is an arithmetic number, because the mean of its divisors is an integer number (22718848990).

Almost surely, 2^45437697979 is an apocalyptic number.

45437697979 is a deficient number, since it is larger than the sum of its proper divisors (1).

45437697979 is an equidigital number, since it uses as much as digits as its factorization.

45437697979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360067680, while the sum is 70.

The spelling of 45437697979 in words is "forty-five billion, four hundred thirty-seven million, six hundred ninety-seven thousand, nine hundred seventy-nine".