3456021656619 has 32 divisors (see below), whose sum is σ = 5873217984000. Its totient is φ = 1967527966752.

The previous prime is 3456021656609. The next prime is 3456021656621. The reversal of 3456021656619 is 9166561206543.

3456021656619 is a `hidden beast` number, since 3 + 4 + 5 + 6 + 0 + 2 + 16 + 5 + 6 + 619 = 666.

3456021656619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3456021656619 - 2⁷ = 3456021656491 is a prime.

It is a super-2 number, since 2×3456021656619² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3456021656609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33937689 + ... + 34039370.

It is an arithmetic number, because the mean of its divisors is an integer number (183538062000).

Almost surely, 2^{3456021656619} is an apocalyptic number.

3456021656619 is a deficient number, since it is larger than the sum of its proper divisors (2417196327381).

3456021656619 is a wasteful number, since it uses less digits than its factorization.

3456021656619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67977344 (or 67977338 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 3456021656619 in words is "three trillion, four hundred fifty-six billion, twenty-one million, six hundred fifty-six thousand, six hundred nineteen".