245874164393 has 32 divisors (see below), whose sum is σ = 292929073920. Its totient is φ = 203439882240.

The previous prime is 245874164387. The next prime is 245874164441. The reversal of 245874164393 is 393461478542.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 245874164393 - 2¹⁰ = 245874163369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245874164323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3079268 + ... + 3158106.

It is an arithmetic number, because the mean of its divisors is an integer number (9154033560).

Almost surely, 2^245874164393 is an apocalyptic number.

It is an amenable number.

245874164393 is a deficient number, since it is larger than the sum of its proper divisors (47054909527).

245874164393 is a wasteful number, since it uses less digits than its factorization.

245874164393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79169.

The product of its digits is 17418240, while the sum is 56.

Adding to 245874164393 its sum of digits (56), we get a square (245874164449 = 495857²).

The spelling of 245874164393 in words is "two hundred forty-five billion, eight hundred seventy-four million, one hundred sixty-four thousand, three hundred ninety-three".