26946143401 has 2 divisors, whose sum is σ = 26946143402. Its totient is φ = 26946143400.

The previous prime is 26946143377. The next prime is 26946143443. The reversal of 26946143401 is 10434164962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18571148176 + 8374995225 = 136276^2 + 91515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26946143401 is a prime.

It is not a weakly prime, because it can be changed into another prime (26946143201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473071700 + 13473071701.

It is an arithmetic number, because the mean of its divisors is an integer number (13473071701).

Almost surely, 2^26946143401 is an apocalyptic number.

It is an amenable number.

26946143401 is a deficient number, since it is larger than the sum of its proper divisors (1).

26946143401 is an equidigital number, since it uses as much as digits as its factorization.

26946143401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 26946143401 in words is "twenty-six billion, nine hundred forty-six million, one hundred forty-three thousand, four hundred one".