656351201449 has 16 divisors (see below), whose sum is σ = 694694496384. Its totient is φ = 619411811200.

The previous prime is 656351201377. The next prime is 656351201453. The reversal of 656351201449 is 944102153656.

It is a cyclic number.

It is not a de Polignac number, because 656351201449 - 2⁷ = 656351201321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 656351201399 and 656351201408.

It is not an unprimeable number, because it can be changed into a prime (656351201459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972819 + ... + 2281384.

It is an arithmetic number, because the mean of its divisors is an integer number (43418406024).

Almost surely, 2^656351201449 is an apocalyptic number.

It is an amenable number.

656351201449 is a deficient number, since it is larger than the sum of its proper divisors (38343294935).

656351201449 is a wasteful number, since it uses less digits than its factorization.

656351201449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254368.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 656351201449 in words is "six hundred fifty-six billion, three hundred fifty-one million, two hundred one thousand, four hundred forty-nine".