49742864321 has 8 divisors (see below), whose sum is σ = 50049365184. Its totient is φ = 49436466640.

The previous prime is 49742864309. The next prime is 49742864351. The reversal of 49742864321 is 12346824794.

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 49742864321 - 2²⁶ = 49675755457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49742864321.

It is not an unprimeable number, because it can be changed into a prime (49742864351) 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, 1088666 + ... + 1133436.

It is an arithmetic number, because the mean of its divisors is an integer number (6256170648).

Almost surely, 2^49742864321 is an apocalyptic number.

It is an amenable number.

49742864321 is a deficient number, since it is larger than the sum of its proper divisors (306500863).

49742864321 is a wasteful number, since it uses less digits than its factorization.

49742864321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51591.

The product of its digits is 2322432, while the sum is 50.

The spelling of 49742864321 in words is "forty-nine billion, seven hundred forty-two million, eight hundred sixty-four thousand, three hundred twenty-one".