2258619691 has 2 divisors, whose sum is σ = 2258619692. Its totient is φ = 2258619690.

The previous prime is 2258619653. The next prime is 2258619703. The reversal of 2258619691 is 1969168522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2258619691 - 2¹³ = 2258611499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2258619641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129309845 + 1129309846.

It is an arithmetic number, because the mean of its divisors is an integer number (1129309846).

Almost surely, 2^2258619691 is an apocalyptic number.

2258619691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258619691 is an equidigital number, since it uses as much as digits as its factorization.

2258619691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The square root of 2258619691 is about 47524.9375696592. The cubic root of 2258619691 is about 1312.0418967371.

The spelling of 2258619691 in words is "two billion, two hundred fifty-eight million, six hundred nineteen thousand, six hundred ninety-one".