3656456045 has 72 divisors (see below), whose sum is σ = 5261628960. Its totient is φ = 2430648000.

The previous prime is 3656456017. The next prime is 3656456077. The reversal of 3656456045 is 5406546563.

It is not a de Polignac number, because 3656456045 - 2¹² = 3656451949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3656455987 and 3656456005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11046530 + ... + 11046860.

It is an arithmetic number, because the mean of its divisors is an integer number (73078180).

Almost surely, 2^3656456045 is an apocalyptic number.

It is an amenable number.

3656456045 is a deficient number, since it is larger than the sum of its proper divisors (1605172915).

3656456045 is a wasteful number, since it uses less digits than its factorization.

3656456045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The square root of 3656456045 is about 60468.6368706952. The cubic root of 3656456045 is about 1540.5889753970.

The spelling of 3656456045 in words is "three billion, six hundred fifty-six million, four hundred fifty-six thousand, forty-five".