2662157291 has 2 divisors, whose sum is σ = 2662157292. Its totient is φ = 2662157290.

The previous prime is 2662157263. The next prime is 2662157327. The reversal of 2662157291 is 1927512662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2662157291 - 2¹⁰ = 2662156267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2662157591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331078645 + 1331078646.

It is an arithmetic number, because the mean of its divisors is an integer number (1331078646).

Almost surely, 2^2662157291 is an apocalyptic number.

2662157291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662157291 is an equidigital number, since it uses as much as digits as its factorization.

2662157291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 2662157291 is about 51596.0976334451. The cubic root of 2662157291 is about 1385.9404510743.

The spelling of 2662157291 in words is "two billion, six hundred sixty-two million, one hundred fifty-seven thousand, two hundred ninety-one".