76130612149 has 4 divisors (see below), whose sum is σ = 76147930764. Its totient is φ = 76113293536.

The previous prime is 76130612123. The next prime is 76130612297. The reversal of 76130612149 is 94121603167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54565689649 + 21564922500 = 233593^2 + 146850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76130612149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76130612749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8652712 + ... + 8661505.

It is an arithmetic number, because the mean of its divisors is an integer number (19036982691).

Almost surely, 2^76130612149 is an apocalyptic number.

It is an amenable number.

76130612149 is a deficient number, since it is larger than the sum of its proper divisors (17318615).

76130612149 is a wasteful number, since it uses less digits than its factorization.

76130612149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17318614.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 76130612149 in words is "seventy-six billion, one hundred thirty million, six hundred twelve thousand, one hundred forty-nine".