2691461151 has 6 divisors (see below), whose sum is σ = 3887666120. Its totient is φ = 1794307428.

The previous prime is 2691461147. The next prime is 2691461153. The reversal of 2691461151 is 1511641962.

2691461151 is a `hidden beast` number, since 26 + 9 + 14 + 611 + 5 + 1 = 666.

It is not a de Polignac number, because 2691461151 - 2² = 2691461147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691461153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149525611 + ... + 149525628.

Almost surely, 2^2691461151 is an apocalyptic number.

2691461151 is a deficient number, since it is larger than the sum of its proper divisors (1196204969).

2691461151 is a wasteful number, since it uses less digits than its factorization.

2691461151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299051245 (or 299051242 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2691461151 is about 51879.2940487821. The cubic root of 2691461151 is about 1391.0071804217.

The spelling of 2691461151 in words is "two billion, six hundred ninety-one million, four hundred sixty-one thousand, one hundred fifty-one".