49638251519 has 8 divisors (see below), whose sum is σ = 49804798512. Its totient is φ = 49471755840.

The previous prime is 49638251473. The next prime is 49638251521. The reversal of 49638251519 is 91515283694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49638251519 - 2⁸ = 49638251263 is a prime.

It is a super-2 number, since 2×49638251519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49638241519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517652 + ... + 3531734.

It is an arithmetic number, because the mean of its divisors is an integer number (6225599814).

Almost surely, 2^49638251519 is an apocalyptic number.

49638251519 is a deficient number, since it is larger than the sum of its proper divisors (166546993).

49638251519 is a wasteful number, since it uses less digits than its factorization.

49638251519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657.

The product of its digits is 2332800, while the sum is 53.

The spelling of 49638251519 in words is "forty-nine billion, six hundred thirty-eight million, two hundred fifty-one thousand, five hundred nineteen".