3345945357 has 4 divisors (see below), whose sum is σ = 4461260480. Its totient is φ = 2230630236.

The previous prime is 3345945307. The next prime is 3345945373. The reversal of 3345945357 is 7535495433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7535495433 = 3 ⋅2511831811.

It is not a de Polignac number, because 3345945357 - 2¹⁵ = 3345912589 is a prime.

It is a super-2 number, since 2×3345945357² = 22390700664059714898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345945307) 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 3 ways as a sum of consecutive naturals, for example, 557657557 + ... + 557657562.

It is an arithmetic number, because the mean of its divisors is an integer number (1115315120).

Almost surely, 2^3345945357 is an apocalyptic number.

It is an amenable number.

3345945357 is a deficient number, since it is larger than the sum of its proper divisors (1115315123).

3345945357 is a wasteful number, since it uses less digits than its factorization.

3345945357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115315122.

The product of its digits is 3402000, while the sum is 48.

The square root of 3345945357 is about 57844.1471282964. The cubic root of 3345945357 is about 1495.6831971708.

The spelling of 3345945357 in words is "three billion, three hundred forty-five million, nine hundred forty-five thousand, three hundred fifty-seven".