245202400493 has 2 divisors, whose sum is σ = 245202400494. Its totient is φ = 245202400492.

The previous prime is 245202400477. The next prime is 245202400529. The reversal of 245202400493 is 394004202542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205265175844 + 39937224649 = 453062^2 + 199843^2 .

It is a cyclic number.

It is not a de Polignac number, because 245202400493 - 2⁴ = 245202400477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245202402493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122601200246 + 122601200247.

It is an arithmetic number, because the mean of its divisors is an integer number (122601200247).

Almost surely, 2^245202400493 is an apocalyptic number.

It is an amenable number.

245202400493 is a deficient number, since it is larger than the sum of its proper divisors (1).

245202400493 is an equidigital number, since it uses as much as digits as its factorization.

245202400493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 245202400493 in words is "two hundred forty-five billion, two hundred two million, four hundred thousand, four hundred ninety-three".