662806748132531 has 2 divisors, whose sum is σ = 662806748132532. Its totient is φ = 662806748132530.

The previous prime is 662806748132497. The next prime is 662806748132539. The reversal of 662806748132531 is 135231847608266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662806748132531 - 2³⁰ = 662805674390707 is a prime.

It is a super-2 number, since 2×662806748132531² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662806748132539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331403374066265 + 331403374066266.

It is an arithmetic number, because the mean of its divisors is an integer number (331403374066266).

Almost surely, 2^{662806748132531} is an apocalyptic number.

662806748132531 is a deficient number, since it is larger than the sum of its proper divisors (1).

662806748132531 is an equidigital number, since it uses as much as digits as its factorization.

662806748132531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 662806748132531 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred forty-eight million, one hundred thirty-two thousand, five hundred thirty-one".