49509982497 has 8 divisors (see below), whose sum is σ = 66133994656. Its totient is φ = 32946312672.

The previous prime is 49509982493. The next prime is 49509982517. The reversal of 49509982497 is 79428990594.

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

It is not a de Polignac number, because 49509982497 - 2² = 49509982493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49509982493) 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, 15083668 + ... + 15086949.

It is an arithmetic number, because the mean of its divisors is an integer number (8266749332).

Almost surely, 2^49509982497 is an apocalyptic number.

It is an amenable number.

49509982497 is a deficient number, since it is larger than the sum of its proper divisors (16624012159).

49509982497 is a wasteful number, since it uses less digits than its factorization.

49509982497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30171167.

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 49509982497 in words is "forty-nine billion, five hundred nine million, nine hundred eighty-two thousand, four hundred ninety-seven".