3656223434037 has 4 divisors (see below), whose sum is σ = 4874964578720. Its totient is φ = 2437482289356.

The previous prime is 3656223433903. The next prime is 3656223434069. The reversal of 3656223434037 is 7304343226563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3656223434037 - 2¹⁴ = 3656223417653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656223414037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609370572337 + ... + 609370572342.

It is an arithmetic number, because the mean of its divisors is an integer number (1218741144680).

Almost surely, 2^{3656223434037} is an apocalyptic number.

It is an amenable number.

3656223434037 is a deficient number, since it is larger than the sum of its proper divisors (1218741144683).

3656223434037 is a wasteful number, since it uses less digits than its factorization.

3656223434037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218741144682.

The product of its (nonzero) digits is 6531840, while the sum is 48.

The spelling of 3656223434037 in words is "three trillion, six hundred fifty-six billion, two hundred twenty-three million, four hundred thirty-four thousand, thirty-seven".