2461279391 has 8 divisors (see below), whose sum is σ = 2480998224. Its totient is φ = 2441586240.

The previous prime is 2461279369. The next prime is 2461279393. The reversal of 2461279391 is 1939721642.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2461279391 is a prime.

It is a super-2 number, since 2×2461279391² = 12115792481122661762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461279393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216536 + ... + 227618.

It is an arithmetic number, because the mean of its divisors is an integer number (310124778).

Almost surely, 2^2461279391 is an apocalyptic number.

2461279391 is a deficient number, since it is larger than the sum of its proper divisors (19718833).

2461279391 is a wasteful number, since it uses less digits than its factorization.

2461279391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12841.

The product of its digits is 163296, while the sum is 44.

The square root of 2461279391 is about 49611.2829001629. The cubic root of 2461279391 is about 1350.1653918994.

The spelling of 2461279391 in words is "two billion, four hundred sixty-one million, two hundred seventy-nine thousand, three hundred ninety-one".