49808740991 has 8 divisors (see below), whose sum is σ = 50671196160. Its totient is φ = 48946893912.

The previous prime is 49808740967. The next prime is 49808740999. The reversal of 49808740991 is 19904780894.

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 49808740991 - 2¹⁴ = 49808724607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

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 49808740991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49808740999) 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, 14786 + ... + 315968.

It is an arithmetic number, because the mean of its divisors is an integer number (6333899520).

Almost surely, 2^49808740991 is an apocalyptic number.

49808740991 is a deficient number, since it is larger than the sum of its proper divisors (862455169).

49808740991 is a wasteful number, since it uses less digits than its factorization.

49808740991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304045.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 49808740991 in words is "forty-nine billion, eight hundred eight million, seven hundred forty thousand, nine hundred ninety-one".