76942353280949 has 32 divisors (see below), whose sum is σ = 83819475099360. Its totient is φ = 70204018655232.

The previous prime is 76942353280907. The next prime is 76942353280963. The reversal of 76942353280949 is 94908235324967.

It can be written as a sum of positive squares in 16 ways, for example, as 52502994351025 + 24439358929924 = 7245895^2 + 4943618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76942353280949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76942356280949) 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, 9694131509 + ... + 9694139445.

It is an arithmetic number, because the mean of its divisors is an integer number (2619358596855).

Almost surely, 2^{76942353280949} is an apocalyptic number.

It is an amenable number.

76942353280949 is a deficient number, since it is larger than the sum of its proper divisors (6877121818411).

76942353280949 is a wasteful number, since it uses less digits than its factorization.

76942353280949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649.

The product of its (nonzero) digits is 705438720, while the sum is 71.

The spelling of 76942353280949 in words is "seventy-six trillion, nine hundred forty-two billion, three hundred fifty-three million, two hundred eighty thousand, nine hundred forty-nine".