5499371261 has 2 divisors, whose sum is σ = 5499371262. Its totient is φ = 5499371260.

The previous prime is 5499371249. The next prime is 5499371279. The reversal of 5499371261 is 1621739945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2958707236 + 2540664025 = 54394^2 + 50405^2 .

It is a cyclic number.

It is not a de Polignac number, because 5499371261 - 2¹⁸ = 5499109117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5499871261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749685630 + 2749685631.

It is an arithmetic number, because the mean of its divisors is an integer number (2749685631).

Almost surely, 2^5499371261 is an apocalyptic number.

It is an amenable number.

5499371261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5499371261 is an equidigital number, since it uses as much as digits as its factorization.

5499371261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 5499371261 is about 74157.7457923311. The cubic root of 5499371261 is about 1765.1069024428.

The spelling of 5499371261 in words is "five billion, four hundred ninety-nine million, three hundred seventy-one thousand, two hundred sixty-one".