26011963 has 2 divisors, whose sum is σ = 26011964. Its totient is φ = 26011962.

The previous prime is 26011949. The next prime is 26011981. The reversal of 26011963 is 36911062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26011963 - 2⁹ = 26011451 is a prime.

It is a super-2 number, since 2×26011963² = 1353244438226738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26011903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005981 + 13005982.

It is an arithmetic number, because the mean of its divisors is an integer number (13005982).

Almost surely, 2^26011963 is an apocalyptic number.

26011963 is a deficient number, since it is larger than the sum of its proper divisors (1).

26011963 is an equidigital number, since it uses as much as digits as its factorization.

26011963 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 26011963 is about 5100.1924473494. The cubic root of 26011963 is about 296.2950362078.

The spelling of 26011963 in words is "twenty-six million, eleven thousand, nine hundred sixty-three".