249700336243 has 2 divisors, whose sum is σ = 249700336244. Its totient is φ = 249700336242.

The previous prime is 249700336213. The next prime is 249700336273. The reversal of 249700336243 is 342633007942.

It is a balanced prime because it is at equal distance from previous prime (249700336213) and next prime (249700336273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249700336243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249700336243.

It is not a weakly prime, because it can be changed into another prime (249700336213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124850168121 + 124850168122.

It is an arithmetic number, because the mean of its divisors is an integer number (124850168122).

Almost surely, 2^249700336243 is an apocalyptic number.

249700336243 is a deficient number, since it is larger than the sum of its proper divisors (1).

249700336243 is an equidigital number, since it uses as much as digits as its factorization.

249700336243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 249700336243 in words is "two hundred forty-nine billion, seven hundred million, three hundred thirty-six thousand, two hundred forty-three".