49632688397 has 2 divisors, whose sum is σ = 49632688398. Its totient is φ = 49632688396.

The previous prime is 49632688367. The next prime is 49632688507. The reversal of 49632688397 is 79388623694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32062125481 + 17570562916 = 179059^2 + 132554^2 .

It is a cyclic number.

It is not a de Polignac number, because 49632688397 - 2⁸ = 49632688141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49632688367) 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, 24816344198 + 24816344199.

It is an arithmetic number, because the mean of its divisors is an integer number (24816344199).

Almost surely, 2^49632688397 is an apocalyptic number.

It is an amenable number.

49632688397 is a deficient number, since it is larger than the sum of its proper divisors (1).

49632688397 is an equidigital number, since it uses as much as digits as its factorization.

49632688397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94058496, while the sum is 65.

The spelling of 49632688397 in words is "forty-nine billion, six hundred thirty-two million, six hundred eighty-eight thousand, three hundred ninety-seven".