215462607149 has 2 divisors, whose sum is σ = 215462607150. Its totient is φ = 215462607148.

The previous prime is 215462607091. The next prime is 215462607211. The reversal of 215462607149 is 941706264512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140437562500 + 75025044649 = 374750^2 + 273907^2 .

It is a cyclic number.

It is not a de Polignac number, because 215462607149 - 2⁸ = 215462606893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215462607449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107731303574 + 107731303575.

It is an arithmetic number, because the mean of its divisors is an integer number (107731303575).

Almost surely, 2^215462607149 is an apocalyptic number.

It is an amenable number.

215462607149 is a deficient number, since it is larger than the sum of its proper divisors (1).

215462607149 is an equidigital number, since it uses as much as digits as its factorization.

215462607149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 215462607149 in words is "two hundred fifteen billion, four hundred sixty-two million, six hundred seven thousand, one hundred forty-nine".