6944132421 has 12 divisors (see below), whose sum is σ = 10057309548. Its totient is φ = 4617008064.

The previous prime is 6944132411. The next prime is 6944132431. The reversal of 6944132421 is 1242314496.

6944132421 is a `hidden beast` number, since 69 + 44 + 132 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (6944132411) and next prime (6944132431).

It can be written as a sum of positive squares in 2 ways, for example, as 1646330625 + 5297801796 = 40575^2 + 72786^2 .

It is not a de Polignac number, because 6944132421 - 2¹⁸ = 6943870277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6944132411) 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, 1030920 + ... + 1037633.

It is an arithmetic number, because the mean of its divisors is an integer number (838109129).

Almost surely, 2^6944132421 is an apocalyptic number.

It is an amenable number.

6944132421 is a deficient number, since it is larger than the sum of its proper divisors (3113177127).

6944132421 is a wasteful number, since it uses less digits than its factorization.

6944132421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068932 (or 2068929 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6944132421 is about 83331.4611716367. The cubic root of 6944132421 is about 1907.8284962798.

The spelling of 6944132421 in words is "six billion, nine hundred forty-four million, one hundred thirty-two thousand, four hundred twenty-one".