2250243691 has 2 divisors, whose sum is σ = 2250243692. Its totient is φ = 2250243690.

The previous prime is 2250243679. The next prime is 2250243727. The reversal of 2250243691 is 1963420522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2250243691 - 2⁷ = 2250243563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2250643691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125121845 + 1125121846.

It is an arithmetic number, because the mean of its divisors is an integer number (1125121846).

Almost surely, 2^2250243691 is an apocalyptic number.

2250243691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250243691 is an equidigital number, since it uses as much as digits as its factorization.

2250243691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2250243691 is about 47436.7335616608. The cubic root of 2250243691 is about 1310.4180028849.

The spelling of 2250243691 in words is "two billion, two hundred fifty million, two hundred forty-three thousand, six hundred ninety-one".