12454573837 has 2 divisors, whose sum is σ = 12454573838. Its totient is φ = 12454573836.

The previous prime is 12454573799. The next prime is 12454573883. The reversal of 12454573837 is 73837545421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9717819241 + 2736754596 = 98579^2 + 52314^2 .

It is an emirp because it is prime and its reverse (73837545421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12454573837 - 2¹⁵ = 12454541069 is a prime.

It is a super-2 number, since 2×12454573837² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12454573037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227286918 + 6227286919.

It is an arithmetic number, because the mean of its divisors is an integer number (6227286919).

Almost surely, 2^12454573837 is an apocalyptic number.

It is an amenable number.

12454573837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454573837 is an equidigital number, since it uses as much as digits as its factorization.

12454573837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 49.

The spelling of 12454573837 in words is "twelve billion, four hundred fifty-four million, five hundred seventy-three thousand, eight hundred thirty-seven".