37540045987 has 2 divisors, whose sum is σ = 37540045988. Its totient is φ = 37540045986.

The previous prime is 37540045943. The next prime is 37540046029. The reversal of 37540045987 is 78954004573.

It is a strong prime.

It is an emirp because it is prime and its reverse (78954004573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37540045987 - 2⁷ = 37540045859 is a prime.

It is not a weakly prime, because it can be changed into another prime (37540043987) 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, 18770022993 + 18770022994.

It is an arithmetic number, because the mean of its divisors is an integer number (18770022994).

Almost surely, 2^37540045987 is an apocalyptic number.

37540045987 is a deficient number, since it is larger than the sum of its proper divisors (1).

37540045987 is an equidigital number, since it uses as much as digits as its factorization.

37540045987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 37540045987 in words is "thirty-seven billion, five hundred forty million, forty-five thousand, nine hundred eighty-seven".