245741692673 has 4 divisors (see below), whose sum is σ = 245811331140. Its totient is φ = 245672054208.

The previous prime is 245741692663. The next prime is 245741692699. The reversal of 245741692673 is 376296147542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129479787889 + 116261904784 = 359833^2 + 340972^2 .

It is a cyclic number.

It is not a de Polignac number, because 245741692673 - 2¹⁴ = 245741676289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245741692633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34813940 + ... + 34820997.

It is an arithmetic number, because the mean of its divisors is an integer number (61452832785).

Almost surely, 2^245741692673 is an apocalyptic number.

It is an amenable number.

245741692673 is a deficient number, since it is larger than the sum of its proper divisors (69638467).

245741692673 is an equidigital number, since it uses as much as digits as its factorization.

245741692673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69638466.

The product of its digits is 15240960, while the sum is 56.

The spelling of 245741692673 in words is "two hundred forty-five billion, seven hundred forty-one million, six hundred ninety-two thousand, six hundred seventy-three".