5815446461 has 16 divisors (see below), whose sum is σ = 6404754048. Its totient is φ = 5279994720.

The previous prime is 5815446449. The next prime is 5815446493. The reversal of 5815446461 is 1646445185.

It is a happy number.

It is not a de Polignac number, because 5815446461 - 2⁶ = 5815446397 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5815443461) 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, 1244816 + ... + 1249478.

It is an arithmetic number, because the mean of its divisors is an integer number (400297128).

Almost surely, 2^5815446461 is an apocalyptic number.

It is an amenable number.

5815446461 is a deficient number, since it is larger than the sum of its proper divisors (589307587).

5815446461 is an equidigital number, since it uses as much as digits as its factorization.

5815446461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633 (or 5611 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 5815446461 is about 76259.0746141074. The cubic root of 5815446461 is about 1798.2953471616.

The spelling of 5815446461 in words is "five billion, eight hundred fifteen million, four hundred forty-six thousand, four hundred sixty-one".