245089261399 has 2 divisors, whose sum is σ = 245089261400. Its totient is φ = 245089261398.

The previous prime is 245089261397. The next prime is 245089261423. The reversal of 245089261399 is 993162980542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245089261399 - 2¹ = 245089261397 is a prime.

Together with 245089261397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245089261393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122544630699 + 122544630700.

It is an arithmetic number, because the mean of its divisors is an integer number (122544630700).

Almost surely, 2^245089261399 is an apocalyptic number.

245089261399 is a deficient number, since it is larger than the sum of its proper divisors (1).

245089261399 is an equidigital number, since it uses as much as digits as its factorization.

245089261399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 245089261399 in words is "two hundred forty-five billion, eighty-nine million, two hundred sixty-one thousand, three hundred ninety-nine".