3401668399 has 4 divisors (see below), whose sum is σ = 3403492264. Its totient is φ = 3399844536.

The previous prime is 3401668367. The next prime is 3401668427. The reversal of 3401668399 is 9938661043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9938661043 = 1319 ⋅7534997.

It is a cyclic number.

It is not a de Polignac number, because 3401668399 - 2⁵ = 3401668367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401668339) 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, 909132 + ... + 912865.

It is an arithmetic number, because the mean of its divisors is an integer number (850873066).

Almost surely, 2^3401668399 is an apocalyptic number.

3401668399 is a deficient number, since it is larger than the sum of its proper divisors (1823865).

3401668399 is a wasteful number, since it uses less digits than its factorization.

3401668399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823864.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 3401668399 is about 58323.8235972231. The cubic root of 3401668399 is about 1503.9405130989.

The spelling of 3401668399 in words is "three billion, four hundred one million, six hundred sixty-eight thousand, three hundred ninety-nine".