37426998449 has 2 divisors, whose sum is σ = 37426998450. Its totient is φ = 37426998448.

The previous prime is 37426998443. The next prime is 37426998517. The reversal of 37426998449 is 94489962473.

37426998449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28226352049 + 9200646400 = 168007^2 + 95920^2 .

It is an emirp because it is prime and its reverse (94489962473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37426998449 is a prime.

It is not a weakly prime, because it can be changed into another prime (37426998443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18713499224 + 18713499225.

It is an arithmetic number, because the mean of its divisors is an integer number (18713499225).

Almost surely, 2^37426998449 is an apocalyptic number.

It is an amenable number.

37426998449 is a deficient number, since it is larger than the sum of its proper divisors (1).

37426998449 is an equidigital number, since it uses as much as digits as its factorization.

37426998449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 65.

The spelling of 37426998449 in words is "thirty-seven billion, four hundred twenty-six million, nine hundred ninety-eight thousand, four hundred forty-nine".