249366561107 has 2 divisors, whose sum is σ = 249366561108. Its totient is φ = 249366561106.

The previous prime is 249366561053. The next prime is 249366561113. The reversal of 249366561107 is 701165663942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249366561107 - 2⁸ = 249366560851 is a prime.

It is not a weakly prime, because it can be changed into another prime (249366561137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124683280553 + 124683280554.

It is an arithmetic number, because the mean of its divisors is an integer number (124683280554).

Almost surely, 2^249366561107 is an apocalyptic number.

249366561107 is a deficient number, since it is larger than the sum of its proper divisors (1).

249366561107 is an equidigital number, since it uses as much as digits as its factorization.

249366561107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 249366561107 in words is "two hundred forty-nine billion, three hundred sixty-six million, five hundred sixty-one thousand, one hundred seven".