45099953971 has 2 divisors, whose sum is σ = 45099953972. Its totient is φ = 45099953970.

The previous prime is 45099953959. The next prime is 45099954019. The reversal of 45099953971 is 17935999054.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45099953971 is a prime.

It is not a weakly prime, because it can be changed into another prime (45099953471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22549976985 + 22549976986.

It is an arithmetic number, because the mean of its divisors is an integer number (22549976986).

Almost surely, 2^45099953971 is an apocalyptic number.

45099953971 is a deficient number, since it is larger than the sum of its proper divisors (1).

45099953971 is an equidigital number, since it uses as much as digits as its factorization.

45099953971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13778100, while the sum is 61.

The spelling of 45099953971 in words is "forty-five billion, ninety-nine million, nine hundred fifty-three thousand, nine hundred seventy-one".