53398691023 has 2 divisors, whose sum is σ = 53398691024. Its totient is φ = 53398691022.

The previous prime is 53398690957. The next prime is 53398691089. The reversal of 53398691023 is 32019689335.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (53398690957) and next prime (53398691089).

It is a cyclic number.

It is not a de Polignac number, because 53398691023 - 2³³ = 44808756431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53398631023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26699345511 + 26699345512.

It is an arithmetic number, because the mean of its divisors is an integer number (26699345512).

Almost surely, 2^53398691023 is an apocalyptic number.

53398691023 is a deficient number, since it is larger than the sum of its proper divisors (1).

53398691023 is an equidigital number, since it uses as much as digits as its factorization.

53398691023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 53398691023 in words is "fifty-three billion, three hundred ninety-eight million, six hundred ninety-one thousand, twenty-three".