2693994851 has 4 divisors (see below), whose sum is σ = 2696714304. Its totient is φ = 2691275400.

The previous prime is 2693994839. The next prime is 2693994887. The reversal of 2693994851 is 1584993962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2693994851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2693997851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358240 + ... + 1360221.

It is an arithmetic number, because the mean of its divisors is an integer number (674178576).

Almost surely, 2^2693994851 is an apocalyptic number.

2693994851 is a deficient number, since it is larger than the sum of its proper divisors (2719453).

2693994851 is an equidigital number, since it uses as much as digits as its factorization.

2693994851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719452.

The product of its digits is 4199040, while the sum is 56.

The square root of 2693994851 is about 51903.7074880013. The cubic root of 2693994851 is about 1391.4435344238.

The spelling of 2693994851 in words is "two billion, six hundred ninety-three million, nine hundred ninety-four thousand, eight hundred fifty-one".