74656515151 has 2 divisors, whose sum is σ = 74656515152. Its totient is φ = 74656515150.

The previous prime is 74656515119. The next prime is 74656515163. The reversal of 74656515151 is 15151565647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74656515151 - 2⁵ = 74656515119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74656515191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37328257575 + 37328257576.

It is an arithmetic number, because the mean of its divisors is an integer number (37328257576).

Almost surely, 2^74656515151 is an apocalyptic number.

74656515151 is a deficient number, since it is larger than the sum of its proper divisors (1).

74656515151 is an equidigital number, since it uses as much as digits as its factorization.

74656515151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630000, while the sum is 46.

The spelling of 74656515151 in words is "seventy-four billion, six hundred fifty-six million, five hundred fifteen thousand, one hundred fifty-one".