49862497091 has 8 divisors (see below), whose sum is σ = 55050819264. Its totient is φ = 44783402920.

The previous prime is 49862497081. The next prime is 49862497093. The reversal of 49862497091 is 19079426894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49862497091 is a prime.

It is a super-2 number, since 2×49862497091² (a number of 22 digits) contains 22 as substring.

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 49862497091.

It is not an unprimeable number, because it can be changed into a prime (49862497093) 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, 27306041 + ... + 27307866.

It is an arithmetic number, because the mean of its divisors is an integer number (6881352408).

Almost surely, 2^49862497091 is an apocalyptic number.

49862497091 is a deficient number, since it is larger than the sum of its proper divisors (5188322173).

49862497091 is a wasteful number, since it uses less digits than its factorization.

49862497091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54614001.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 49862497091 in words is "forty-nine billion, eight hundred sixty-two million, four hundred ninety-seven thousand, ninety-one".