48390031491 has 8 divisors (see below), whose sum is σ = 65244986640. Its totient is φ = 31897548672.

The previous prime is 48390031483. The next prime is 48390031537. The reversal of 48390031491 is 19413009384.

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

It is not a de Polignac number, because 48390031491 - 2³ = 48390031483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48390031411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90617770 + ... + 90618303.

It is an arithmetic number, because the mean of its divisors is an integer number (8155623330).

Almost surely, 2^48390031491 is an apocalyptic number.

48390031491 is a deficient number, since it is larger than the sum of its proper divisors (16854955149).

48390031491 is a wasteful number, since it uses less digits than its factorization.

48390031491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181236165.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 48390031491 in words is "forty-eight billion, three hundred ninety million, thirty-one thousand, four hundred ninety-one".