26946143479 has 2 divisors, whose sum is σ = 26946143480. Its totient is φ = 26946143478.

The previous prime is 26946143443. The next prime is 26946143489. The reversal of 26946143479 is 97434164962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26946143479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26946143489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473071739 + 13473071740.

It is an arithmetic number, because the mean of its divisors is an integer number (13473071740).

Almost surely, 2^26946143479 is an apocalyptic number.

26946143479 is a deficient number, since it is larger than the sum of its proper divisors (1).

26946143479 is an equidigital number, since it uses as much as digits as its factorization.

26946143479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 55.

The spelling of 26946143479 in words is "twenty-six billion, nine hundred forty-six million, one hundred forty-three thousand, four hundred seventy-nine".