88206631649 has 2 divisors, whose sum is σ = 88206631650. Its totient is φ = 88206631648.

The previous prime is 88206631633. The next prime is 88206631753. The reversal of 88206631649 is 94613660288.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86553640000 + 1652991649 = 294200^2 + 40657^2 .

It is a cyclic number.

It is not a de Polignac number, because 88206631649 - 2⁴ = 88206631633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88206631649.

It is not a weakly prime, because it can be changed into another prime (88206631349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44103315824 + 44103315825.

It is an arithmetic number, because the mean of its divisors is an integer number (44103315825).

Almost surely, 2^88206631649 is an apocalyptic number.

It is an amenable number.

88206631649 is a deficient number, since it is larger than the sum of its proper divisors (1).

88206631649 is an equidigital number, since it uses as much as digits as its factorization.

88206631649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 88206631649 in words is "eighty-eight billion, two hundred six million, six hundred thirty-one thousand, six hundred forty-nine".