49390837331 has 4 divisors (see below), whose sum is σ = 53880913464. Its totient is φ = 44900761200.

The previous prime is 49390837303. The next prime is 49390837333. The reversal of 49390837331 is 13373809394.

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

It is a cyclic number.

It is not a de Polignac number, because 49390837331 - 2⁶ = 49390837267 is a prime.

It is a super-2 number, since 2×49390837331² (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 49390837331.

It is not an unprimeable number, because it can be changed into a prime (49390837333) 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, 2245038050 + ... + 2245038071.

It is an arithmetic number, because the mean of its divisors is an integer number (13470228366).

Almost surely, 2^49390837331 is an apocalyptic number.

49390837331 is a deficient number, since it is larger than the sum of its proper divisors (4490076133).

49390837331 is a wasteful number, since it uses less digits than its factorization.

49390837331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490076132.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 49390837331 in words is "forty-nine billion, three hundred ninety million, eight hundred thirty-seven thousand, three hundred thirty-one".