745798197233 has 2 divisors, whose sum is σ = 745798197234. Its totient is φ = 745798197232.

The previous prime is 745798197197. The next prime is 745798197239. The reversal of 745798197233 is 332791897547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639187458064 + 106610739169 = 799492^2 + 326513^2 .

It is a cyclic number.

It is not a de Polignac number, because 745798197233 - 2¹² = 745798193137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745798197233.

It is not a weakly prime, because it can be changed into another prime (745798197239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372899098616 + 372899098617.

It is an arithmetic number, because the mean of its divisors is an integer number (372899098617).

Almost surely, 2^745798197233 is an apocalyptic number.

It is an amenable number.

745798197233 is a deficient number, since it is larger than the sum of its proper divisors (1).

745798197233 is an equidigital number, since it uses as much as digits as its factorization.

745798197233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80015040, while the sum is 65.

The spelling of 745798197233 in words is "seven hundred forty-five billion, seven hundred ninety-eight million, one hundred ninety-seven thousand, two hundred thirty-three".