51190009790 has 16 divisors (see below), whose sum is σ = 92150548560. Its totient is φ = 20474108160.

The previous prime is 51190009751. The next prime is 51190009807. The reversal of 51190009790 is 9790009115.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120851 + ... + 342030.

It is an arithmetic number, because the mean of its divisors is an integer number (5759409285).

Almost surely, 2^51190009790 is an apocalyptic number.

51190009790 is a deficient number, since it is larger than the sum of its proper divisors (40960538770).

51190009790 is a wasteful number, since it uses less digits than its factorization.

51190009790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473947.

The product of its (nonzero) digits is 25515, while the sum is 41.

The spelling of 51190009790 in words is "fifty-one billion, one hundred ninety million, nine thousand, seven hundred ninety".