2470766891 has 4 divisors (see below), whose sum is σ = 2479884384. Its totient is φ = 2461649400.

The previous prime is 2470766827. The next prime is 2470766899. The reversal of 2470766891 is 1986670742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2470766891 - 2⁶ = 2470766827 is a prime.

It is a super-2 number, since 2×2470766891² = 12209378059323611762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2470766899) 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, 4558340 + ... + 4558881.

It is an arithmetic number, because the mean of its divisors is an integer number (619971096).

Almost surely, 2^2470766891 is an apocalyptic number.

2470766891 is a deficient number, since it is larger than the sum of its proper divisors (9117493).

2470766891 is an equidigital number, since it uses as much as digits as its factorization.

2470766891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117492.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2470766891 is about 49706.8093021469. The cubic root of 2470766891 is about 1351.8979962477.

The spelling of 2470766891 in words is "two billion, four hundred seventy million, seven hundred sixty-six thousand, eight hundred ninety-one".