254262442691 has 2 divisors, whose sum is σ = 254262442692. Its totient is φ = 254262442690.

The previous prime is 254262442613. The next prime is 254262442697. The reversal of 254262442691 is 196244262452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254262442691 - 2¹⁸ = 254262180547 is a prime.

It is not a weakly prime, because it can be changed into another prime (254262442697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127131221345 + 127131221346.

It is an arithmetic number, because the mean of its divisors is an integer number (127131221346).

Almost surely, 2^254262442691 is an apocalyptic number.

254262442691 is a deficient number, since it is larger than the sum of its proper divisors (1).

254262442691 is an equidigital number, since it uses as much as digits as its factorization.

254262442691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 47.

The spelling of 254262442691 in words is "two hundred fifty-four billion, two hundred sixty-two million, four hundred forty-two thousand, six hundred ninety-one".