49513632091925 has 6 divisors (see below), whose sum is σ = 61396903794018. Its totient is φ = 39610905673520.

The previous prime is 49513632091921. The next prime is 49513632092069. The reversal of 49513632091925 is 52919023631594.

It can be written as a sum of positive squares in 3 ways, for example, as 942642926404 + 48570989165521 = 970898^2 + 6969289^2 .

It is not a de Polignac number, because 49513632091925 - 2² = 49513632091921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49513632091921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990272641814 + ... + 990272641863.

It is an arithmetic number, because the mean of its divisors is an integer number (10232817299003).

Almost surely, 2^{49513632091925} is an apocalyptic number.

It is an amenable number.

49513632091925 is a deficient number, since it is larger than the sum of its proper divisors (11883271702093).

49513632091925 is a wasteful number, since it uses less digits than its factorization.

49513632091925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980545283687 (or 1980545283682 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 59.

The spelling of 49513632091925 in words is "forty-nine trillion, five hundred thirteen billion, six hundred thirty-two million, ninety-one thousand, nine hundred twenty-five".