2026531693 has 2 divisors, whose sum is σ = 2026531694. Its totient is φ = 2026531692.

The previous prime is 2026531667. The next prime is 2026531747. The reversal of 2026531693 is 3961356202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1342343044 + 684188649 = 36638^2 + 26157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026531693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026531613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013265846 + 1013265847.

It is an arithmetic number, because the mean of its divisors is an integer number (1013265847).

Almost surely, 2^2026531693 is an apocalyptic number.

It is an amenable number.

2026531693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026531693 is an equidigital number, since it uses as much as digits as its factorization.

2026531693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 2026531693 is about 45017.0155941062. The cubic root of 2026531693 is about 1265.4679002548.

Adding to 2026531693 its reverse (3961356202), we get a palindrome (5987887895).

The spelling of 2026531693 in words is "two billion, twenty-six million, five hundred thirty-one thousand, six hundred ninety-three".