16424972801 has 2 divisors, whose sum is σ = 16424972802. Its totient is φ = 16424972800.

The previous prime is 16424972779. The next prime is 16424972891. The reversal of 16424972801 is 10827942461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16384000000 + 40972801 = 128000^2 + 6401^2 .

It is a cyclic number.

It is not a de Polignac number, because 16424972801 - 2³⁰ = 15351230977 is a prime.

It is not a weakly prime, because it can be changed into another prime (16424972891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212486400 + 8212486401.

It is an arithmetic number, because the mean of its divisors is an integer number (8212486401).

Almost surely, 2^16424972801 is an apocalyptic number.

It is an amenable number.

16424972801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424972801 is an equidigital number, since it uses as much as digits as its factorization.

16424972801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 16424972801 in words is "sixteen billion, four hundred twenty-four million, nine hundred seventy-two thousand, eight hundred one".