12977404849 has 8 divisors (see below), whose sum is σ = 13033778688. Its totient is φ = 12921100080.

The previous prime is 12977404771. The next prime is 12977404889. The reversal of 12977404849 is 94840477921.

12977404849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12977404849 - 2⁷ = 12977404721 is a prime.

It is a super-2 number, since 2×12977404849² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12977404849.

It is not an unprimeable number, because it can be changed into a prime (12977404889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378864 + ... + 411694.

It is an arithmetic number, because the mean of its divisors is an integer number (1629222336).

Almost surely, 2^12977404849 is an apocalyptic number.

It is an amenable number.

12977404849 is a deficient number, since it is larger than the sum of its proper divisors (56373839).

12977404849 is a wasteful number, since it uses less digits than its factorization.

12977404849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34535.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 12977404849 in words is "twelve billion, nine hundred seventy-seven million, four hundred four thousand, eight hundred forty-nine".