249193963 has 2 divisors, whose sum is σ = 249193964. Its totient is φ = 249193962.

The previous prime is 249193957. The next prime is 249194003. The reversal of 249193963 is 369391942.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249193963 is a prime.

It is not a weakly prime, because it can be changed into another prime (249193913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124596981 + 124596982.

It is an arithmetic number, because the mean of its divisors is an integer number (124596982).

Almost surely, 2^249193963 is an apocalyptic number.

249193963 is a deficient number, since it is larger than the sum of its proper divisors (1).

249193963 is an equidigital number, since it uses as much as digits as its factorization.

249193963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 46.

The square root of 249193963 is about 15785.8785944907. The cubic root of 249193963 is about 629.2827673723.

It can be divided in two parts, 24919 and 3963, that added together give a palindrome (28882).

The spelling of 249193963 in words is "two hundred forty-nine million, one hundred ninety-three thousand, nine hundred sixty-three".