6401434522 has 16 divisors (see below), whose sum is σ = 10974949632. Its totient is φ = 2743206480.

The previous prime is 6401434517. The next prime is 6401434549. The reversal of 6401434522 is 2254341046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216447 + ... + 244237.

It is an arithmetic number, because the mean of its divisors is an integer number (685934352).

Almost surely, 2^6401434522 is an apocalyptic number.

6401434522 is a deficient number, since it is larger than the sum of its proper divisors (4573515110).

6401434522 is a wasteful number, since it uses less digits than its factorization.

6401434522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44253.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 6401434522 is about 80008.9652601507. The cubic root of 6401434522 is about 1856.7742410258.

Adding to 6401434522 its reverse (2254341046), we get a palindrome (8655775568).

The spelling of 6401434522 in words is "six billion, four hundred one million, four hundred thirty-four thousand, five hundred twenty-two".