2461591159 has 4 divisors (see below), whose sum is σ = 2461903416. Its totient is φ = 2461278904.

The previous prime is 2461591157. The next prime is 2461591163. The reversal of 2461591159 is 9511951642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9511951642 = 2 ⋅4755975821.

It is a cyclic number.

It is not a de Polignac number, because 2461591159 - 2¹ = 2461591157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461591157) 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, 143989 + ... + 160174.

It is an arithmetic number, because the mean of its divisors is an integer number (615475854).

Almost surely, 2^2461591159 is an apocalyptic number.

2461591159 is a deficient number, since it is larger than the sum of its proper divisors (312257).

2461591159 is an equidigital number, since it uses as much as digits as its factorization.

2461591159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312256.

The product of its digits is 97200, while the sum is 43.

The square root of 2461591159 is about 49614.4249084881. The cubic root of 2461591159 is about 1350.2223975626. Note that the first 3 decimals are identical.

The spelling of 2461591159 in words is "two billion, four hundred sixty-one million, five hundred ninety-one thousand, one hundred fifty-nine".