4342401891 has 12 divisors (see below), whose sum is σ = 6281632032. Its totient is φ = 2890654416.

The previous prime is 4342401887. The next prime is 4342401901. The reversal of 4342401891 is 1981042434.

It is a happy number.

4342401891 is a `hidden beast` number, since 434 + 2 + 40 + 189 + 1 = 666.

It is not a de Polignac number, because 4342401891 - 2² = 4342401887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4342401821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350251 + ... + 362436.

It is an arithmetic number, because the mean of its divisors is an integer number (523469336).

Almost surely, 2^4342401891 is an apocalyptic number.

4342401891 is a deficient number, since it is larger than the sum of its proper divisors (1939230141).

4342401891 is a wasteful number, since it uses less digits than its factorization.

4342401891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713370 (or 713367 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4342401891 is about 65896.9035008474. The cubic root of 4342401891 is about 1631.4609069973.

The spelling of 4342401891 in words is "four billion, three hundred forty-two million, four hundred one thousand, eight hundred ninety-one".