73874775851 has 2 divisors, whose sum is σ = 73874775852. Its totient is φ = 73874775850.

The previous prime is 73874775797. The next prime is 73874775853. The reversal of 73874775851 is 15857747837.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73874775851 - 2²⁶ = 73807666987 is a prime.

Together with 73874775853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73874775853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36937387925 + 36937387926.

It is an arithmetic number, because the mean of its divisors is an integer number (36937387926).

Almost surely, 2^73874775851 is an apocalyptic number.

73874775851 is a deficient number, since it is larger than the sum of its proper divisors (1).

73874775851 is an equidigital number, since it uses as much as digits as its factorization.

73874775851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46099200, while the sum is 62.

The spelling of 73874775851 in words is "seventy-three billion, eight hundred seventy-four million, seven hundred seventy-five thousand, eight hundred fifty-one".