2201209858957 has 2 divisors, whose sum is σ = 2201209858958. Its totient is φ = 2201209858956.

The previous prime is 2201209858907. The next prime is 2201209858961. The reversal of 2201209858957 is 7598589021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2006738560836 + 194471298121 = 1416594^2 + 440989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201209858957 - 2³¹ = 2199062375309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201209858907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100604929478 + 1100604929479.

It is an arithmetic number, because the mean of its divisors is an integer number (1100604929479).

Almost surely, 2^{2201209858957} is an apocalyptic number.

It is an amenable number.

2201209858957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201209858957 is an equidigital number, since it uses as much as digits as its factorization.

2201209858957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 2201209858957 in words is "two trillion, two hundred one billion, two hundred nine million, eight hundred fifty-eight thousand, nine hundred fifty-seven".