49986272197761 has 4 divisors (see below), whose sum is σ = 66648362930352. Its totient is φ = 33324181465172.

The previous prime is 49986272197639. The next prime is 49986272197777. The reversal of 49986272197761 is 16779127268994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49986272197761 - 2¹⁸ = 49986271935617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49986272197061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8331045366291 + ... + 8331045366296.

It is an arithmetic number, because the mean of its divisors is an integer number (16662090732588).

Almost surely, 2^{49986272197761} is an apocalyptic number.

It is an amenable number.

49986272197761 is a deficient number, since it is larger than the sum of its proper divisors (16662090732591).

49986272197761 is a wasteful number, since it uses less digits than its factorization.

49986272197761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662090732590.

The product of its digits is 1152216576, while the sum is 78.

The spelling of 49986272197761 in words is "forty-nine trillion, nine hundred eighty-six billion, two hundred seventy-two million, one hundred ninety-seven thousand, seven hundred sixty-one".