345335233553 has 2 divisors, whose sum is σ = 345335233554. Its totient is φ = 345335233552.

The previous prime is 345335233543. The next prime is 345335233597. The reversal of 345335233553 is 355332533543.

It is an a-pointer prime, because the next prime (345335233597) can be obtained adding 345335233553 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194897526784 + 150437706769 = 441472^2 + 387863^2 .

It is a cyclic number.

It is not a de Polignac number, because 345335233553 - 2⁶ = 345335233489 is a prime.

It is not a weakly prime, because it can be changed into another prime (345335233543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172667616776 + 172667616777.

It is an arithmetic number, because the mean of its divisors is an integer number (172667616777).

Almost surely, 2^345335233553 is an apocalyptic number.

It is an amenable number.

345335233553 is a deficient number, since it is larger than the sum of its proper divisors (1).

345335233553 is an equidigital number, since it uses as much as digits as its factorization.

345335233553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3645000, while the sum is 44.

The spelling of 345335233553 in words is "three hundred forty-five billion, three hundred thirty-five million, two hundred thirty-three thousand, five hundred fifty-three".