3401378851 has 16 divisors (see below), whose sum is σ = 3887089920. Its totient is φ = 2952306720.

The previous prime is 3401378843. The next prime is 3401378909. The reversal of 3401378851 is 1588731043.

It is a cyclic number.

It is not a de Polignac number, because 3401378851 - 2³ = 3401378843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3401378821) 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, 78765 + ... + 114046.

It is an arithmetic number, because the mean of its divisors is an integer number (242943120).

Almost surely, 2^3401378851 is an apocalyptic number.

3401378851 is a deficient number, since it is larger than the sum of its proper divisors (485711069).

3401378851 is a wasteful number, since it uses less digits than its factorization.

3401378851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192906.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 3401378851 is about 58321.3412997335. The cubic root of 3401378851 is about 1503.8978403794.

The spelling of 3401378851 in words is "three billion, four hundred one million, three hundred seventy-eight thousand, eight hundred fifty-one".