245405230519 has 2 divisors, whose sum is σ = 245405230520. Its totient is φ = 245405230518.

The previous prime is 245405230493. The next prime is 245405230547. The reversal of 245405230519 is 915032504542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245405230519 - 2⁷ = 245405230391 is a prime.

It is a super-2 number, since 2×245405230519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245405230579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122702615259 + 122702615260.

It is an arithmetic number, because the mean of its divisors is an integer number (122702615260).

Almost surely, 2^245405230519 is an apocalyptic number.

245405230519 is a deficient number, since it is larger than the sum of its proper divisors (1).

245405230519 is an equidigital number, since it uses as much as digits as its factorization.

245405230519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 245405230519 in words is "two hundred forty-five billion, four hundred five million, two hundred thirty thousand, five hundred nineteen".