6325434921 has 12 divisors (see below), whose sum is σ = 9132581328. Its totient is φ = 3892575024.

The previous prime is 6325434911. The next prime is 6325434923. The reversal of 6325434921 is 1294345236.

It is not a de Polignac number, because 6325434921 - 2¹⁰ = 6325433897 is a prime.

It is a super-3 number, since 3×6325434921³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6325434921.

It is not an unprimeable number, because it can be changed into a prime (6325434923) 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, 6237595 + ... + 6238608.

It is an arithmetic number, because the mean of its divisors is an integer number (761048444).

Almost surely, 2^6325434921 is an apocalyptic number.

It is an amenable number.

6325434921 is a deficient number, since it is larger than the sum of its proper divisors (2807146407).

6325434921 is a wasteful number, since it uses less digits than its factorization.

6325434921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476232 (or 12476219 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 6325434921 is about 79532.6028808312. The cubic root of 6325434921 is about 1849.3969225879.

The spelling of 6325434921 in words is "six billion, three hundred twenty-five million, four hundred thirty-four thousand, nine hundred twenty-one".