345125503993 has 2 divisors, whose sum is σ = 345125503994. Its totient is φ = 345125503992.

The previous prime is 345125503937. The next prime is 345125504041. The reversal of 345125503993 is 399305521543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252659033104 + 92466470889 = 502652^2 + 304083^2 .

It is an emirp because it is prime and its reverse (399305521543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345125503993 - 2³³ = 336535569401 is a prime.

It is a super-2 number, since 2×345125503993² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345125503693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172562751996 + 172562751997.

It is an arithmetic number, because the mean of its divisors is an integer number (172562751997).

Almost surely, 2^345125503993 is an apocalyptic number.

It is an amenable number.

345125503993 is a deficient number, since it is larger than the sum of its proper divisors (1).

345125503993 is an equidigital number, since it uses as much as digits as its factorization.

345125503993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187000, while the sum is 49.

The spelling of 345125503993 in words is "three hundred forty-five billion, one hundred twenty-five million, five hundred three thousand, nine hundred ninety-three".