3646594051 has 4 divisors (see below), whose sum is σ = 3648899232. Its totient is φ = 3644288872.

The previous prime is 3646594037. The next prime is 3646594073. The reversal of 3646594051 is 1504956463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1504956463 = 37 ⋅40674499.

It is a cyclic number.

It is not a de Polignac number, because 3646594051 - 2¹⁵ = 3646561283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3646593989 and 3646594007.

It is not an unprimeable number, because it can be changed into a prime (3646594751) 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, 1150216 + ... + 1153381.

It is an arithmetic number, because the mean of its divisors is an integer number (912224808).

Almost surely, 2^3646594051 is an apocalyptic number.

3646594051 is a deficient number, since it is larger than the sum of its proper divisors (2305181).

3646594051 is a wasteful number, since it uses less digits than its factorization.

3646594051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305180.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 3646594051 is about 60387.0354546404. The cubic root of 3646594051 is about 1539.2026640759.

The spelling of 3646594051 in words is "three billion, six hundred forty-six million, five hundred ninety-four thousand, fifty-one".