6625071493 has 2 divisors, whose sum is σ = 6625071494. Its totient is φ = 6625071492.

The previous prime is 6625071491. The next prime is 6625071553. The reversal of 6625071493 is 3941705266.

6625071493 is digitally balanced in base 3, 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., 6597013284 + 28058209 = 81222^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 6625071493 - 2¹ = 6625071491 is a prime.

It is a super-2 number, since 2×6625071493² = 87783144574722498098, which contains 22 as substring.

Together with 6625071491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625071491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312535746 + 3312535747.

It is an arithmetic number, because the mean of its divisors is an integer number (3312535747).

Almost surely, 2^6625071493 is an apocalyptic number.

It is an amenable number.

6625071493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625071493 is an equidigital number, since it uses as much as digits as its factorization.

6625071493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 6625071493 is about 81394.5421573216. The cubic root of 6625071493 is about 1878.1496330142.

The spelling of 6625071493 in words is "six billion, six hundred twenty-five million, seventy-one thousand, four hundred ninety-three".