245253432423999 has 16 divisors (see below), whose sum is σ = 333178808481792. Its totient is φ = 160415252588448.

The previous prime is 245253432423991. The next prime is 245253432424031. The reversal of 245253432423999 is 999324234352542.

It is not a de Polignac number, because 245253432423999 - 2³ = 245253432423991 is a prime.

It is a super-2 number, since 2×245253432423999² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245253432423991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2275162 + ... + 22263944.

It is an arithmetic number, because the mean of its divisors is an integer number (20823675530112).

Almost surely, 2^{245253432423999} is an apocalyptic number.

245253432423999 is a deficient number, since it is larger than the sum of its proper divisors (87925376057793).

245253432423999 is a wasteful number, since it uses less digits than its factorization.

245253432423999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066006.

The product of its digits is 503884800, while the sum is 66.

The spelling of 245253432423999 in words is "two hundred forty-five trillion, two hundred fifty-three billion, four hundred thirty-two million, four hundred twenty-three thousand, nine hundred ninety-nine".