6712420491 has 24 divisors (see below), whose sum is σ = 11664024320. Its totient is φ = 3633790896.

The previous prime is 6712420489. The next prime is 6712420513. The reversal of 6712420491 is 1940242176.

It is a happy number.

It is not a de Polignac number, because 6712420491 - 2¹ = 6712420489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6712420391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2802655 + ... + 2805048.

Almost surely, 2^6712420491 is an apocalyptic number.

6712420491 is a deficient number, since it is larger than the sum of its proper divisors (4951603829).

6712420491 is a wasteful number, since it uses less digits than its factorization.

6712420491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607735 (or 5607732 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6712420491 is about 81929.3628133406. The cubic root of 6712420491 is about 1886.3678449799.

The spelling of 6712420491 in words is "six billion, seven hundred twelve million, four hundred twenty thousand, four hundred ninety-one".