2694881451 has 16 divisors (see below), whose sum is σ = 3637364864. Its totient is φ = 1774566144.

The previous prime is 2694881401. The next prime is 2694881461. The reversal of 2694881451 is 1541884962.

It is not a de Polignac number, because 2694881451 - 2⁷ = 2694881323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2694881451.

It is not an unprimeable number, because it can be changed into a prime (2694881401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143340 + ... + 161046.

It is an arithmetic number, because the mean of its divisors is an integer number (227335304).

Almost surely, 2^2694881451 is an apocalyptic number.

2694881451 is a deficient number, since it is larger than the sum of its proper divisors (942483413).

2694881451 is a wasteful number, since it uses less digits than its factorization.

2694881451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330.

The product of its digits is 552960, while the sum is 48.

The square root of 2694881451 is about 51912.2476011201. The cubic root of 2694881451 is about 1391.5961601213.

The spelling of 2694881451 in words is "two billion, six hundred ninety-four million, eight hundred eighty-one thousand, four hundred fifty-one".