49351273357 has 4 divisors (see below), whose sum is σ = 49543301916. Its totient is φ = 49159244800.

The previous prime is 49351273193. The next prime is 49351273441. The reversal of 49351273357 is 75337215394.

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 26736828196 + 22614445161 = 163514^2 + 150381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49351273357 is a prime.

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 49351273357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41351273357) 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, 96013894 + ... + 96014407.

It is an arithmetic number, because the mean of its divisors is an integer number (12385825479).

Almost surely, 2^49351273357 is an apocalyptic number.

It is an amenable number.

49351273357 is a deficient number, since it is larger than the sum of its proper divisors (192028559).

49351273357 is a wasteful number, since it uses less digits than its factorization.

49351273357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192028558.

The product of its digits is 2381400, while the sum is 49.

The spelling of 49351273357 in words is "forty-nine billion, three hundred fifty-one million, two hundred seventy-three thousand, three hundred fifty-seven".