3451343665 has 48 divisors (see below), whose sum is σ = 5265596160. Its totient is φ = 2147470080.

The previous prime is 3451343653. The next prime is 3451343671. The reversal of 3451343665 is 5663431543.

It is not a de Polignac number, because 3451343665 - 2¹⁷ = 3451212593 is a prime.

It is a super-3 number, since 3×3451343665³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2179464 + ... + 2181046.

It is an arithmetic number, because the mean of its divisors is an integer number (109699920).

Almost surely, 2^3451343665 is an apocalyptic number.

3451343665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3451343665 is a deficient number, since it is larger than the sum of its proper divisors (1814252495).

3451343665 is a wasteful number, since it uses less digits than its factorization.

3451343665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2415 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The square root of 3451343665 is about 58748.1375449469. The cubic root of 3451343665 is about 1511.2259483935.

The spelling of 3451343665 in words is "three billion, four hundred fifty-one million, three hundred forty-three thousand, six hundred sixty-five".