49758621237 has 24 divisors (see below), whose sum is σ = 79494260664. Its totient is φ = 29793101184.

The previous prime is 49758621091. The next prime is 49758621287. The reversal of 49758621237 is 73212685794.

It is a happy number.

49758621237 is a `hidden beast` number, since 4 + 9 + 7 + 5 + 8 + 621 + 2 + 3 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19647348561 + 30111272676 = 140169^2 + 173526^2 .

It is not a de Polignac number, because 49758621237 - 2¹² = 49758617141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49758621287) 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 in 23 ways as a sum of consecutive naturals, for example, 5742798 + ... + 5751455.

It is an arithmetic number, because the mean of its divisors is an integer number (3312260861).

Almost surely, 2^49758621237 is an apocalyptic number.

It is an amenable number.

49758621237 is a deficient number, since it is larger than the sum of its proper divisors (29735639427).

49758621237 is a wasteful number, since it uses less digits than its factorization.

49758621237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494309 (or 11494306 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 49758621237 in words is "forty-nine billion, seven hundred fifty-eight million, six hundred twenty-one thousand, two hundred thirty-seven".