345535551349997 has 2 divisors, whose sum is σ = 345535551349998. Its totient is φ = 345535551349996.

The previous prime is 345535551349993. The next prime is 345535551350047. The reversal of 345535551349997 is 799943155535543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256679778670441 + 88855772679556 = 16021229^2 + 9426334^2 .

It is a cyclic number.

It is not a de Polignac number, because 345535551349997 - 2² = 345535551349993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345535551349993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172767775674998 + 172767775674999.

It is an arithmetic number, because the mean of its divisors is an integer number (172767775674999).

Almost surely, 2^{345535551349997} is an apocalyptic number.

It is an amenable number.

345535551349997 is a deficient number, since it is larger than the sum of its proper divisors (1).

345535551349997 is an equidigital number, since it uses as much as digits as its factorization.

345535551349997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6889050000, while the sum is 77.

The spelling of 345535551349997 in words is "three hundred forty-five trillion, five hundred thirty-five billion, five hundred fifty-one million, three hundred forty-nine thousand, nine hundred ninety-seven".