2695149051221 has 24 divisors (see below), whose sum is σ = 2974024040064. Its totient is φ = 2440555920000.

The previous prime is 2695149051209. The next prime is 2695149051227. The reversal of 2695149051221 is 1221509415962.

It is not a de Polignac number, because 2695149051221 - 2⁶ = 2695149051157 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2695149051227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296458886 + ... + 296467976.

It is an arithmetic number, because the mean of its divisors is an integer number (123917668336).

Almost surely, 2^{2695149051221} is an apocalyptic number.

It is an amenable number.

2695149051221 is a deficient number, since it is larger than the sum of its proper divisors (278874988843).

2695149051221 is a wasteful number, since it uses less digits than its factorization.

2695149051221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18425 (or 18414 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 2695149051221 in words is "two trillion, six hundred ninety-five billion, one hundred forty-nine million, fifty-one thousand, two hundred twenty-one".