37442534249 has 2 divisors, whose sum is σ = 37442534250. Its totient is φ = 37442534248.

The previous prime is 37442534209. The next prime is 37442534267. The reversal of 37442534249 is 94243524473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33065785600 + 4376748649 = 181840^2 + 66157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37442534249 is a prime.

It is not a weakly prime, because it can be changed into another prime (37442534209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18721267124 + 18721267125.

It is an arithmetic number, because the mean of its divisors is an integer number (18721267125).

Almost surely, 2^37442534249 is an apocalyptic number.

It is an amenable number.

37442534249 is a deficient number, since it is larger than the sum of its proper divisors (1).

37442534249 is an equidigital number, since it uses as much as digits as its factorization.

37442534249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 47.

The spelling of 37442534249 in words is "thirty-seven billion, four hundred forty-two million, five hundred thirty-four thousand, two hundred forty-nine".