52951000909 has 2 divisors, whose sum is σ = 52951000910. Its totient is φ = 52951000908.

The previous prime is 52951000901. The next prime is 52951000931. The reversal of 52951000909 is 90900015925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36865152009 + 16085848900 = 192003^2 + 126830^2 .

It is a cyclic number.

It is not a de Polignac number, because 52951000909 - 2³ = 52951000901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52951000901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26475500454 + 26475500455.

It is an arithmetic number, because the mean of its divisors is an integer number (26475500455).

Almost surely, 2^52951000909 is an apocalyptic number.

It is an amenable number.

52951000909 is a deficient number, since it is larger than the sum of its proper divisors (1).

52951000909 is an equidigital number, since it uses as much as digits as its factorization.

52951000909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 40.

The spelling of 52951000909 in words is "fifty-two billion, nine hundred fifty-one million, nine hundred nine", and thus it is an aban number.