48997191390 has 32 divisors (see below), whose sum is σ = 134392296960. Its totient is φ = 11199357984.

The previous prime is 48997191379. The next prime is 48997191413. The reversal of 48997191390 is 9319179984.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116659770 + ... + 116660189.

It is an arithmetic number, because the mean of its divisors is an integer number (4199759280).

Almost surely, 2^48997191390 is an apocalyptic number.

48997191390 is an abundant number, since it is smaller than the sum of its proper divisors (85395105570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48997191390 is a wasteful number, since it uses less digits than its factorization.

48997191390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233319976.

The product of its (nonzero) digits is 4408992, while the sum is 60.

The spelling of 48997191390 in words is "forty-eight billion, nine hundred ninety-seven million, one hundred ninety-one thousand, three hundred ninety".