26264142479 has 2 divisors, whose sum is σ = 26264142480. Its totient is φ = 26264142478.

The previous prime is 26264142467. The next prime is 26264142551. The reversal of 26264142479 is 97424146262.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26264142479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26264142439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13132071239 + 13132071240.

It is an arithmetic number, because the mean of its divisors is an integer number (13132071240).

Almost surely, 2^26264142479 is an apocalyptic number.

26264142479 is a deficient number, since it is larger than the sum of its proper divisors (1).

26264142479 is an equidigital number, since it uses as much as digits as its factorization.

26264142479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The spelling of 26264142479 in words is "twenty-six billion, two hundred sixty-four million, one hundred forty-two thousand, four hundred seventy-nine".