26650493 has 2 divisors, whose sum is σ = 26650494. Its totient is φ = 26650492.

The previous prime is 26650487. The next prime is 26650499. The reversal of 26650493 is 39405662.

It is a balanced prime because it is at equal distance from previous prime (26650487) and next prime (26650499).

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 813604 = 5083^2 + 902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26650493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26650499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13325246 + 13325247.

It is an arithmetic number, because the mean of its divisors is an integer number (13325247).

Almost surely, 2^26650493 is an apocalyptic number.

It is an amenable number.

26650493 is a deficient number, since it is larger than the sum of its proper divisors (1).

26650493 is an equidigital number, since it uses as much as digits as its factorization.

26650493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26650493 is about 5162.4115488791. The cubic root of 26650493 is about 298.6999035996.

The spelling of 26650493 in words is "twenty-six million, six hundred fifty thousand, four hundred ninety-three".