6712015421 has 8 divisors (see below), whose sum is σ = 6760961400. Its totient is φ = 6663186432.

The previous prime is 6712015391. The next prime is 6712015423. The reversal of 6712015421 is 1245102176.

It can be written as a sum of positive squares in 4 ways, for example, as 4171351396 + 2540664025 = 64586^2 + 50405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6712015421 - 2⁶ = 6712015357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6712015423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87605 + ... + 145253.

It is an arithmetic number, because the mean of its divisors is an integer number (845120175).

Almost surely, 2^6712015421 is an apocalyptic number.

It is an amenable number.

6712015421 is a deficient number, since it is larger than the sum of its proper divisors (48945979).

6712015421 is a wasteful number, since it uses less digits than its factorization.

6712015421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58495.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 6712015421 is about 81926.8907075082. The cubic root of 6712015421 is about 1886.3298990857.

Adding to 6712015421 its reverse (1245102176), we get a palindrome (7957117597).

The spelling of 6712015421 in words is "six billion, seven hundred twelve million, fifteen thousand, four hundred twenty-one".