5605645461 has 16 divisors (see below), whose sum is σ = 8057261184. Its totient is φ = 3446144064.

The previous prime is 5605645457. The next prime is 5605645471. The reversal of 5605645461 is 1645465065.

It is not a de Polignac number, because 5605645461 - 2² = 5605645457 is a prime.

It is a super-2 number, since 2×5605645461² = 62846522068859805042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605645471) 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, 33201 + ... + 110966.

It is an arithmetic number, because the mean of its divisors is an integer number (503578824).

Almost surely, 2^5605645461 is an apocalyptic number.

It is an amenable number.

5605645461 is a deficient number, since it is larger than the sum of its proper divisors (2451615723).

5605645461 is a wasteful number, since it uses less digits than its factorization.

5605645461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145180.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 5605645461 is about 74870.8585565839. The cubic root of 5605645461 is about 1776.4045444276.

The spelling of 5605645461 in words is "five billion, six hundred five million, six hundred forty-five thousand, four hundred sixty-one".