49075517439 has 32 divisors (see below), whose sum is σ = 78376213440. Its totient is φ = 30169812096.

The previous prime is 49075517437. The next prime is 49075517443. The reversal of 49075517439 is 93471557094.

49075517439 is a `hidden beast` number, since 4 + 90 + 7 + 5 + 517 + 4 + 39 = 666.

It is not a de Polignac number, because 49075517439 - 2¹ = 49075517437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49075517437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279829 + ... + 420065.

It is an arithmetic number, because the mean of its divisors is an integer number (2449256670).

Almost surely, 2^49075517439 is an apocalyptic number.

49075517439 is a deficient number, since it is larger than the sum of its proper divisors (29300696001).

49075517439 is a wasteful number, since it uses less digits than its factorization.

49075517439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141256 (or 141250 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 49075517439 in words is "forty-nine billion, seventy-five million, five hundred seventeen thousand, four hundred thirty-nine".