51189460097 has 32 divisors (see below), whose sum is σ = 54289025280. Its totient is φ = 48216960000.

The previous prime is 51189460061. The next prime is 51189460129. The reversal of 51189460097 is 79006498115.

It is a cyclic number.

It is not a de Polignac number, because 51189460097 - 2¹⁰ = 51189459073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51189460397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33610178 + ... + 33611700.

It is an arithmetic number, because the mean of its divisors is an integer number (1696532040).

Almost surely, 2^51189460097 is an apocalyptic number.

It is an amenable number.

51189460097 is a deficient number, since it is larger than the sum of its proper divisors (3099565183).

51189460097 is a wasteful number, since it uses less digits than its factorization.

51189460097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 51189460097 in words is "fifty-one billion, one hundred eighty-nine million, four hundred sixty thousand, ninety-seven".