345551699 has 4 divisors (see below), whose sum is σ = 356698560. Its totient is φ = 334404840.

The previous prime is 345551693. The next prime is 345551729. The reversal of 345551699 is 996155543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996155543 = 28283 ⋅35221.

It is a cyclic number.

It is not a de Polignac number, because 345551699 - 2¹² = 345547603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345551693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573384 + ... + 5573445.

It is an arithmetic number, because the mean of its divisors is an integer number (89174640).

Almost surely, 2^345551699 is an apocalyptic number.

345551699 is a deficient number, since it is larger than the sum of its proper divisors (11146861).

345551699 is a wasteful number, since it uses less digits than its factorization.

345551699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146860.

The product of its digits is 729000, while the sum is 47.

The square root of 345551699 is about 18589.0209263425. The cubic root of 345551699 is about 701.7315628283.

The spelling of 345551699 in words is "three hundred forty-five million, five hundred fifty-one thousand, six hundred ninety-nine".