626231161487 has 2 divisors, whose sum is σ = 626231161488. Its totient is φ = 626231161486.

The previous prime is 626231161483. The next prime is 626231161513. The reversal of 626231161487 is 784161132626.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626231161487 - 2² = 626231161483 is a prime.

It is a super-3 number, since 3×626231161487³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626231161483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313115580743 + 313115580744.

It is an arithmetic number, because the mean of its divisors is an integer number (313115580744).

Almost surely, 2^626231161487 is an apocalyptic number.

626231161487 is a deficient number, since it is larger than the sum of its proper divisors (1).

626231161487 is an equidigital number, since it uses as much as digits as its factorization.

626231161487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 626231161487 in words is "six hundred twenty-six billion, two hundred thirty-one million, one hundred sixty-one thousand, four hundred eighty-seven".