49395925517 has 4 divisors (see below), whose sum is σ = 49429506816. Its totient is φ = 49362344220.

The previous prime is 49395925499. The next prime is 49395925529. The reversal of 49395925517 is 71552959394.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49395925517 - 2¹⁴ = 49395909133 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 (49395925567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16788443 + ... + 16791384.

It is an arithmetic number, because the mean of its divisors is an integer number (12357376704).

Almost surely, 2^49395925517 is an apocalyptic number.

It is an amenable number.

49395925517 is a deficient number, since it is larger than the sum of its proper divisors (33581299).

49395925517 is a wasteful number, since it uses less digits than its factorization.

49395925517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33581298.

The product of its digits is 15309000, while the sum is 59.

The spelling of 49395925517 in words is "forty-nine billion, three hundred ninety-five million, nine hundred twenty-five thousand, five hundred seventeen".