10621693 has 2 divisors, whose sum is σ = 10621694. Its totient is φ = 10621692.

The previous prime is 10621691. The next prime is 10621727. The reversal of 10621693 is 39612601.

10621693 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., 7601049 + 3020644 = 2757^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 10621693 - 2¹ = 10621691 is a prime.

It is a super-2 number, since 2×10621693² = 225640724372498, which contains 22 as substring.

Together with 10621691, 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 (10621691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310846 + 5310847.

It is an arithmetic number, because the mean of its divisors is an integer number (5310847).

Almost surely, 2^10621693 is an apocalyptic number.

It is an amenable number.

10621693 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621693 is an equidigital number, since it uses as much as digits as its factorization.

10621693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10621693 is about 3259.0938924799. The cubic root of 10621693 is about 219.8186729028.

The spelling of 10621693 in words is "ten million, six hundred twenty-one thousand, six hundred ninety-three".