3402428478843 has 8 divisors (see below), whose sum is σ = 4775338216000. Its totient is φ = 2148902197128.

The previous prime is 3402428478817. The next prime is 3402428478871. The reversal of 3402428478843 is 3488748242043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3402428478843 - 2⁸ = 3402428478587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 59691727699 = 3402428478843 / (3 + 4 + 0 + 2 + 4 + 2 + 8 + 4 + 7 + 8 + 8 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402428478143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29845863793 + ... + 29845863906.

It is an arithmetic number, because the mean of its divisors is an integer number (596917277000).

Almost surely, 2^{3402428478843} is an apocalyptic number.

3402428478843 is a deficient number, since it is larger than the sum of its proper divisors (1372909737157).

3402428478843 is a wasteful number, since it uses less digits than its factorization.

3402428478843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59691727721.

The product of its (nonzero) digits is 33030144, while the sum is 57.

The spelling of 3402428478843 in words is "three trillion, four hundred two billion, four hundred twenty-eight million, four hundred seventy-eight thousand, eight hundred forty-three".