53434904911 has 2 divisors, whose sum is σ = 53434904912. Its totient is φ = 53434904910.

The previous prime is 53434904891. The next prime is 53434904969. The reversal of 53434904911 is 11940943435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53434904911 - 2²³ = 53426516303 is a prime.

It is a super-2 number, since 2×53434904911² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53434904111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26717452455 + 26717452456.

It is an arithmetic number, because the mean of its divisors is an integer number (26717452456).

Almost surely, 2^53434904911 is an apocalyptic number.

53434904911 is a deficient number, since it is larger than the sum of its proper divisors (1).

53434904911 is an equidigital number, since it uses as much as digits as its factorization.

53434904911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 53434904911 in words is "fifty-three billion, four hundred thirty-four million, nine hundred four thousand, nine hundred eleven".