345654771265 has 16 divisors (see below), whose sum is σ = 426054448080. Its totient is φ = 269013381120.

The previous prime is 345654771233. The next prime is 345654771269. The reversal of 345654771265 is 562177456543.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40694589441 + 304960181824 = 201729^2 + 552232^2 .

It is not a de Polignac number, because 345654771265 - 2⁵ = 345654771233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345654771269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268785 + ... + 1516945.

It is an arithmetic number, because the mean of its divisors is an integer number (26628403005).

Almost surely, 2^345654771265 is an apocalyptic number.

It is an amenable number.

345654771265 is a deficient number, since it is larger than the sum of its proper divisors (80399676815).

345654771265 is a wasteful number, since it uses less digits than its factorization.

345654771265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255732.

The product of its digits is 21168000, while the sum is 55.

The spelling of 345654771265 in words is "three hundred forty-five billion, six hundred fifty-four million, seven hundred seventy-one thousand, two hundred sixty-five".