716470055621 has 2 divisors, whose sum is σ = 716470055622. Its totient is φ = 716470055620.

The previous prime is 716470055603. The next prime is 716470055663. The reversal of 716470055621 is 126550074617.

716470055621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444388890625 + 272081164996 = 666625^2 + 521614^2 .

It is a cyclic number.

It is not a de Polignac number, because 716470055621 - 2¹⁸ = 716469793477 is a prime.

It is a super-3 number, since 3×716470055621³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716470055221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358235027810 + 358235027811.

It is an arithmetic number, because the mean of its divisors is an integer number (358235027811).

Almost surely, 2^716470055621 is an apocalyptic number.

It is an amenable number.

716470055621 is a deficient number, since it is larger than the sum of its proper divisors (1).

716470055621 is an equidigital number, since it uses as much as digits as its factorization.

716470055621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 716470055621 in words is "seven hundred sixteen billion, four hundred seventy million, fifty-five thousand, six hundred twenty-one".