49870770017 has 4 divisors (see below), whose sum is σ = 50615109936. Its totient is φ = 49126430100.

The previous prime is 49870769987. The next prime is 49870770023. The reversal of 49870770017 is 71007707894.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71007707894 = 2 ⋅35503853947.

It is not a de Polignac number, because 49870770017 - 2²² = 49866575713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49870770317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372169859 + ... + 372169992.

It is an arithmetic number, because the mean of its divisors is an integer number (12653777484).

Almost surely, 2^49870770017 is an apocalyptic number.

It is an amenable number.

49870770017 is a deficient number, since it is larger than the sum of its proper divisors (744339919).

49870770017 is an equidigital number, since it uses as much as digits as its factorization.

49870770017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744339918.

The product of its (nonzero) digits is 691488, while the sum is 50.

The spelling of 49870770017 in words is "forty-nine billion, eight hundred seventy million, seven hundred seventy thousand, seventeen".