16293254137 has 2 divisors, whose sum is σ = 16293254138. Its totient is φ = 16293254136.

The previous prime is 16293254083. The next prime is 16293254171. The reversal of 16293254137 is 73145239261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12647026681 + 3646227456 = 112459^2 + 60384^2 .

It is a cyclic number.

It is not a de Polignac number, because 16293254137 - 2³¹ = 14145770489 is a prime.

It is a super-2 number, since 2×16293254137² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16293254093 and 16293254102.

It is not a weakly prime, because it can be changed into another prime (16293252137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146627068 + 8146627069.

It is an arithmetic number, because the mean of its divisors is an integer number (8146627069).

Almost surely, 2^16293254137 is an apocalyptic number.

It is an amenable number.

16293254137 is a deficient number, since it is larger than the sum of its proper divisors (1).

16293254137 is an equidigital number, since it uses as much as digits as its factorization.

16293254137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The spelling of 16293254137 in words is "sixteen billion, two hundred ninety-three million, two hundred fifty-four thousand, one hundred thirty-seven".