245153479049 has 2 divisors, whose sum is σ = 245153479050. Its totient is φ = 245153479048.

The previous prime is 245153479037. The next prime is 245153479063. The reversal of 245153479049 is 940974351542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221128479049 + 24025000000 = 470243^2 + 155000^2 .

It is a cyclic number.

It is not a de Polignac number, because 245153479049 - 2²⁸ = 244885043593 is a prime.

It is not a weakly prime, because it can be changed into another prime (245153479019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122576739524 + 122576739525.

It is an arithmetic number, because the mean of its divisors is an integer number (122576739525).

Almost surely, 2^245153479049 is an apocalyptic number.

It is an amenable number.

245153479049 is a deficient number, since it is larger than the sum of its proper divisors (1).

245153479049 is an equidigital number, since it uses as much as digits as its factorization.

245153479049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 245153479049 in words is "two hundred forty-five billion, one hundred fifty-three million, four hundred seventy-nine thousand, forty-nine".