245122467949 has 2 divisors, whose sum is σ = 245122467950. Its totient is φ = 245122467948.

The previous prime is 245122467943. The next prime is 245122467977. The reversal of 245122467949 is 949764221542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245106186724 + 16281225 = 495082^2 + 4035^2 .

It is a cyclic number.

It is not a de Polignac number, because 245122467949 - 2⁹ = 245122467437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245122467949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245122467943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122561233974 + 122561233975.

It is an arithmetic number, because the mean of its divisors is an integer number (122561233975).

Almost surely, 2^245122467949 is an apocalyptic number.

It is an amenable number.

245122467949 is a deficient number, since it is larger than the sum of its proper divisors (1).

245122467949 is an equidigital number, since it uses as much as digits as its factorization.

245122467949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The spelling of 245122467949 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred sixty-seven thousand, nine hundred forty-nine".