49051931290 has 8 divisors (see below), whose sum is σ = 88293476340. Its totient is φ = 19620772512.

The previous prime is 49051931251. The next prime is 49051931297. The reversal of 49051931290 is 9213915094.

It can be written as a sum of positive squares in 2 ways, for example, as 46806024409 + 2245906881 = 216347^2 + 47391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (49051931297) 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, 2452596555 + ... + 2452596574.

Almost surely, 2^49051931290 is an apocalyptic number.

49051931290 is a deficient number, since it is larger than the sum of its proper divisors (39241545050).

49051931290 is a wasteful number, since it uses less digits than its factorization.

49051931290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905193136.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 49051931290 in words is "forty-nine billion, fifty-one million, nine hundred thirty-one thousand, two hundred ninety".