245322413249 has 2 divisors, whose sum is σ = 245322413250. Its totient is φ = 245322413248.

The previous prime is 245322413197. The next prime is 245322413251. The reversal of 245322413249 is 942314223542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205299610000 + 40022803249 = 453100^2 + 200057^2 .

It is a cyclic number.

It is not a de Polignac number, because 245322413249 - 2²⁸ = 245053977793 is a prime.

Together with 245322413251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245322415249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122661206624 + 122661206625.

It is an arithmetic number, because the mean of its divisors is an integer number (122661206625).

Almost surely, 2^245322413249 is an apocalyptic number.

It is an amenable number.

245322413249 is a deficient number, since it is larger than the sum of its proper divisors (1).

245322413249 is an equidigital number, since it uses as much as digits as its factorization.

245322413249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 41.

The spelling of 245322413249 in words is "two hundred forty-five billion, three hundred twenty-two million, four hundred thirteen thousand, two hundred forty-nine".