345539273357 has 2 divisors, whose sum is σ = 345539273358. Its totient is φ = 345539273356.

The previous prime is 345539273267. The next prime is 345539273399. The reversal of 345539273357 is 753372935543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342343180201 + 3196093156 = 585101^2 + 56534^2 .

It is a cyclic number.

It is not a de Polignac number, because 345539273357 - 2¹⁶ = 345539207821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345539273857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172769636678 + 172769636679.

It is an arithmetic number, because the mean of its divisors is an integer number (172769636679).

Almost surely, 2^345539273357 is an apocalyptic number.

It is an amenable number.

345539273357 is a deficient number, since it is larger than the sum of its proper divisors (1).

345539273357 is an equidigital number, since it uses as much as digits as its factorization.

345539273357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35721000, while the sum is 56.

The spelling of 345539273357 in words is "three hundred forty-five billion, five hundred thirty-nine million, two hundred seventy-three thousand, three hundred fifty-seven".