26465724139 has 2 divisors, whose sum is σ = 26465724140. Its totient is φ = 26465724138.

The previous prime is 26465724121. The next prime is 26465724161. The reversal of 26465724139 is 93142756462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26465724139 - 2¹⁹ = 26465199851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26465724092 and 26465724101.

It is not a weakly prime, because it can be changed into another prime (26465724179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13232862069 + 13232862070.

It is an arithmetic number, because the mean of its divisors is an integer number (13232862070).

Almost surely, 2^26465724139 is an apocalyptic number.

26465724139 is a deficient number, since it is larger than the sum of its proper divisors (1).

26465724139 is an equidigital number, since it uses as much as digits as its factorization.

26465724139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The spelling of 26465724139 in words is "twenty-six billion, four hundred sixty-five million, seven hundred twenty-four thousand, one hundred thirty-nine".