49380657979 has 8 divisors (see below), whose sum is σ = 52425584640. Its totient is φ = 46351307136.

The previous prime is 49380657971. The next prime is 49380658003. The reversal of 49380657979 is 97975608394.

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 49380657979 - 2³ = 49380657971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49380657971) 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, 3887419 + ... + 3900100.

It is an arithmetic number, because the mean of its divisors is an integer number (6553198080).

Almost surely, 2^49380657979 is an apocalyptic number.

49380657979 is a deficient number, since it is larger than the sum of its proper divisors (3044926661).

49380657979 is a wasteful number, since it uses less digits than its factorization.

49380657979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787909.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 49380657979 in words is "forty-nine billion, three hundred eighty million, six hundred fifty-seven thousand, nine hundred seventy-nine".