2699056947 has 4 divisors (see below), whose sum is σ = 3598742600. Its totient is φ = 1799371296.

The previous prime is 2699056939. The next prime is 2699056957. The reversal of 2699056947 is 7496509962.

It is a happy number.

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

It is not a de Polignac number, because 2699056947 - 2³ = 2699056939 is a prime.

It is a super-3 number, since 3×2699056947³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2699056907) 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, 449842822 + ... + 449842827.

It is an arithmetic number, because the mean of its divisors is an integer number (899685650).

Almost surely, 2^2699056947 is an apocalyptic number.

2699056947 is a deficient number, since it is larger than the sum of its proper divisors (899685653).

2699056947 is an equidigital number, since it uses as much as digits as its factorization.

2699056947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899685652.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The square root of 2699056947 is about 51952.4489028188. The cubic root of 2699056947 is about 1392.3145103060.

The spelling of 2699056947 in words is "two billion, six hundred ninety-nine million, fifty-six thousand, nine hundred forty-seven".