8434437401 has 16 divisors (see below), whose sum is σ = 9614996160. Its totient is φ = 7342332480.

The previous prime is 8434437377. The next prime is 8434437419. The reversal of 8434437401 is 1047344348.

It is a cyclic number.

It is not a de Polignac number, because 8434437401 - 2²² = 8430243097 is a prime.

It is a super-2 number, since 2×8434437401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8434437701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243935 + ... + 276356.

It is an arithmetic number, because the mean of its divisors is an integer number (600937260).

Almost surely, 2^8434437401 is an apocalyptic number.

It is an amenable number.

8434437401 is a deficient number, since it is larger than the sum of its proper divisors (1180558759).

8434437401 is a wasteful number, since it uses less digits than its factorization.

8434437401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520376.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 8434437401 is about 91839.1931639210. The cubic root of 8434437401 is about 2035.5668664105.

The spelling of 8434437401 in words is "eight billion, four hundred thirty-four million, four hundred thirty-seven thousand, four hundred one".