245891447027 has 2 divisors, whose sum is σ = 245891447028. Its totient is φ = 245891447026.

The previous prime is 245891447003. The next prime is 245891447059. The reversal of 245891447027 is 720744198542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245891447027 - 2¹⁴ = 245891430643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245891447027.

It is not a weakly prime, because it can be changed into another prime (245891447227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122945723513 + 122945723514.

It is an arithmetic number, because the mean of its divisors is an integer number (122945723514).

Almost surely, 2^245891447027 is an apocalyptic number.

245891447027 is a deficient number, since it is larger than the sum of its proper divisors (1).

245891447027 is an equidigital number, since it uses as much as digits as its factorization.

245891447027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 245891447027 in words is "two hundred forty-five billion, eight hundred ninety-one million, four hundred forty-seven thousand, twenty-seven".