49121915385 has 8 divisors (see below), whose sum is σ = 78595064640. Its totient is φ = 26198354864.

The previous prime is 49121915369. The next prime is 49121915389. The reversal of 49121915385 is 58351912194.

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 49121915385 - 2⁴ = 49121915369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49121915389) 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, 1637397165 + ... + 1637397194.

It is an arithmetic number, because the mean of its divisors is an integer number (9824383080).

Almost surely, 2^49121915385 is an apocalyptic number.

It is an amenable number.

49121915385 is a deficient number, since it is larger than the sum of its proper divisors (29473149255).

49121915385 is a wasteful number, since it uses less digits than its factorization.

49121915385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274794367.

The product of its digits is 388800, while the sum is 48.

The spelling of 49121915385 in words is "forty-nine billion, one hundred twenty-one million, nine hundred fifteen thousand, three hundred eighty-five".