245400301242449 has 2 divisors, whose sum is σ = 245400301242450. Its totient is φ = 245400301242448.

The previous prime is 245400301242419. The next prime is 245400301242461. The reversal of 245400301242449 is 944242103004542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242647041345424 + 2753259897025 = 15577132^2 + 1659295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245400301242449 is a prime.

It is not a weakly prime, because it can be changed into another prime (245400301242419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122700150621224 + 122700150621225.

It is an arithmetic number, because the mean of its divisors is an integer number (122700150621225).

Almost surely, 2^{245400301242449} is an apocalyptic number.

It is an amenable number.

245400301242449 is a deficient number, since it is larger than the sum of its proper divisors (1).

245400301242449 is an equidigital number, since it uses as much as digits as its factorization.

245400301242449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 245400301242449 in words is "two hundred forty-five trillion, four hundred billion, three hundred one million, two hundred forty-two thousand, four hundred forty-nine".