49688672237 has 2 divisors, whose sum is σ = 49688672238. Its totient is φ = 49688672236.

The previous prime is 49688672233. The next prime is 49688672269. The reversal of 49688672237 is 73227688694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39573542761 + 10115129476 = 198931^2 + 100574^2 .

It is a cyclic number.

It is not a de Polignac number, because 49688672237 - 2² = 49688672233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49688672237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49688672233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24844336118 + 24844336119.

It is an arithmetic number, because the mean of its divisors is an integer number (24844336119).

Almost surely, 2^49688672237 is an apocalyptic number.

It is an amenable number.

49688672237 is a deficient number, since it is larger than the sum of its proper divisors (1).

49688672237 is an equidigital number, since it uses as much as digits as its factorization.

49688672237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072, while the sum is 62.

The spelling of 49688672237 in words is "forty-nine billion, six hundred eighty-eight million, six hundred seventy-two thousand, two hundred thirty-seven".