49863262817 has 4 divisors (see below), whose sum is σ = 49872789396. Its totient is φ = 49853736240.

The previous prime is 49863262763. The next prime is 49863262927. The reversal of 49863262817 is 71826236894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19377753616 + 30485509201 = 139204^2 + 174601^2 .

It is a cyclic number.

It is not a de Polignac number, because 49863262817 - 2⁶ = 49863262753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49863261817) 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, 4755434 + ... + 4765907.

It is an arithmetic number, because the mean of its divisors is an integer number (12468197349).

Almost surely, 2^49863262817 is an apocalyptic number.

It is an amenable number.

49863262817 is a deficient number, since it is larger than the sum of its proper divisors (9526579).

49863262817 is an equidigital number, since it uses as much as digits as its factorization.

49863262817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526578.

The product of its digits is 6967296, while the sum is 56.

The spelling of 49863262817 in words is "forty-nine billion, eight hundred sixty-three million, two hundred sixty-two thousand, eight hundred seventeen".