52131549623 has 2 divisors, whose sum is σ = 52131549624. Its totient is φ = 52131549622.

The previous prime is 52131549593. The next prime is 52131549697. The reversal of 52131549623 is 32694513125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52131549623 - 2¹² = 52131545527 is a prime.

It is a super-2 number, since 2×52131549623² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52131549523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26065774811 + 26065774812.

It is an arithmetic number, because the mean of its divisors is an integer number (26065774812).

Almost surely, 2^52131549623 is an apocalyptic number.

52131549623 is a deficient number, since it is larger than the sum of its proper divisors (1).

52131549623 is an equidigital number, since it uses as much as digits as its factorization.

52131549623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The spelling of 52131549623 in words is "fifty-two billion, one hundred thirty-one million, five hundred forty-nine thousand, six hundred twenty-three".