1026947893 has 2 divisors, whose sum is σ = 1026947894. Its totient is φ = 1026947892.

The previous prime is 1026947879. The next prime is 1026947899. The reversal of 1026947893 is 3987496201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932508369 + 94439524 = 30537^2 + 9718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026947893 - 2⁹ = 1026947381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026947899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513473946 + 513473947.

It is an arithmetic number, because the mean of its divisors is an integer number (513473947).

Almost surely, 2^1026947893 is an apocalyptic number.

It is an amenable number.

1026947893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026947893 is an equidigital number, since it uses as much as digits as its factorization.

1026947893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1026947893 is about 32046.0277257572. The cubic root of 1026947893 is about 1008.9031300378.

The spelling of 1026947893 in words is "one billion, twenty-six million, nine hundred forty-seven thousand, eight hundred ninety-three".