5646615415451 has 16 divisors (see below), whose sum is σ = 5667428124288. Its totient is φ = 5625851827200.

The previous prime is 5646615415429. The next prime is 5646615415471. The reversal of 5646615415451 is 1545145166465.

It is a cyclic number.

It is not a de Polignac number, because 5646615415451 - 2⁴² = 1248568904347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5646615415393 and 5646615415402.

It is not an unprimeable number, because it can be changed into a prime (5646615415471) 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, 869911316 + ... + 869917806.

It is an arithmetic number, because the mean of its divisors is an integer number (354214257768).

Almost surely, 2^{5646615415451} is an apocalyptic number.

5646615415451 is a deficient number, since it is larger than the sum of its proper divisors (20812708837).

5646615415451 is a wasteful number, since it uses less digits than its factorization.

5646615415451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802.

The product of its digits is 8640000, while the sum is 53.

The spelling of 5646615415451 in words is "five trillion, six hundred forty-six billion, six hundred fifteen million, four hundred fifteen thousand, four hundred fifty-one".