245437237273 has 2 divisors, whose sum is σ = 245437237274. Its totient is φ = 245437237272.

The previous prime is 245437237271. The next prime is 245437237301. The reversal of 245437237273 is 372732734542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136037044224 + 109400193049 = 368832^2 + 330757^2 .

It is a cyclic number.

It is not a de Polignac number, because 245437237273 - 2¹ = 245437237271 is a prime.

Together with 245437237271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245437237271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122718618636 + 122718618637.

It is an arithmetic number, because the mean of its divisors is an integer number (122718618637).

Almost surely, 2^245437237273 is an apocalyptic number.

It is an amenable number.

245437237273 is a deficient number, since it is larger than the sum of its proper divisors (1).

245437237273 is an equidigital number, since it uses as much as digits as its factorization.

245437237273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 49.

The spelling of 245437237273 in words is "two hundred forty-five billion, four hundred thirty-seven million, two hundred thirty-seven thousand, two hundred seventy-three".