345100669 has 2 divisors, whose sum is σ = 345100670. Its totient is φ = 345100668.

The previous prime is 345100661. The next prime is 345100687. The reversal of 345100669 is 966001543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213539769 + 131560900 = 14613^2 + 11470^2 .

It is a cyclic number.

It is not a de Polignac number, because 345100669 - 2³ = 345100661 is a prime.

It is a super-2 number, since 2×345100669² = 238188943488495122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345100661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172550334 + 172550335.

It is an arithmetic number, because the mean of its divisors is an integer number (172550335).

Almost surely, 2^345100669 is an apocalyptic number.

It is an amenable number.

345100669 is a deficient number, since it is larger than the sum of its proper divisors (1).

345100669 is an equidigital number, since it uses as much as digits as its factorization.

345100669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 345100669 is about 18576.8853417358. The cubic root of 345100669 is about 701.4261191065.

The spelling of 345100669 in words is "three hundred forty-five million, one hundred thousand, six hundred sixty-nine".