745153771413209 has 2 divisors, whose sum is σ = 745153771413210. Its totient is φ = 745153771413208.

The previous prime is 745153771413169. The next prime is 745153771413241. The reversal of 745153771413209 is 902314177351547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591017573587609 + 154136197825600 = 24310853^2 + 12415160^2 .

It is a cyclic number.

It is not a de Polignac number, because 745153771413209 - 2²⁸ = 745153502977753 is a prime.

It is not a weakly prime, because it can be changed into another prime (745153771413409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372576885706604 + 372576885706605.

It is an arithmetic number, because the mean of its divisors is an integer number (372576885706605).

Almost surely, 2^{745153771413209} is an apocalyptic number.

It is an amenable number.

745153771413209 is a deficient number, since it is larger than the sum of its proper divisors (1).

745153771413209 is an equidigital number, since it uses as much as digits as its factorization.

745153771413209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 745153771413209 in words is "seven hundred forty-five trillion, one hundred fifty-three billion, seven hundred seventy-one million, four hundred thirteen thousand, two hundred nine".