5656321426 has 16 divisors (see below), whose sum is σ = 9790694784. Its totient is φ = 2400601824.

The previous prime is 5656321421. The next prime is 5656321439. The reversal of 5656321426 is 6241236565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5656321421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959835 + ... + 1962718.

It is an arithmetic number, because the mean of its divisors is an integer number (611918424).

Almost surely, 2^5656321426 is an apocalyptic number.

5656321426 is a deficient number, since it is larger than the sum of its proper divisors (4134373358).

5656321426 is a wasteful number, since it uses less digits than its factorization.

5656321426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922665.

The product of its digits is 259200, while the sum is 40.

The square root of 5656321426 is about 75208.5196370730. The cubic root of 5656321426 is about 1781.7414915630.

The spelling of 5656321426 in words is "five billion, six hundred fifty-six million, three hundred twenty-one thousand, four hundred twenty-six".