26690301137 has 2 divisors, whose sum is σ = 26690301138. Its totient is φ = 26690301136.

The previous prime is 26690301103. The next prime is 26690301151. The reversal of 26690301137 is 73110309662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24443446336 + 2246854801 = 156344^2 + 47401^2 .

It is a cyclic number.

It is not a de Polignac number, because 26690301137 - 2¹⁶ = 26690235601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26690301137.

It is not a weakly prime, because it can be changed into another prime (26690301037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13345150568 + 13345150569.

It is an arithmetic number, because the mean of its divisors is an integer number (13345150569).

Almost surely, 2^26690301137 is an apocalyptic number.

It is an amenable number.

26690301137 is a deficient number, since it is larger than the sum of its proper divisors (1).

26690301137 is an equidigital number, since it uses as much as digits as its factorization.

26690301137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 26690301137 in words is "twenty-six billion, six hundred ninety million, three hundred one thousand, one hundred thirty-seven".