37138274857 has 4 divisors (see below), whose sum is σ = 37352947140. Its totient is φ = 36923602576.

The previous prime is 37138274839. The next prime is 37138274863. The reversal of 37138274857 is 75847283173.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75847283173 = 1759 ⋅43119547.

It can be written as a sum of positive squares in 2 ways, for example, as 35568451216 + 1569823641 = 188596^2 + 39621^2 .

It is a cyclic number.

It is not a de Polignac number, because 37138274857 - 2²³ = 37129886249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37138274798 and 37138274807.

It is not an unprimeable number, because it can be changed into a prime (37138274807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107335882 + ... + 107336227.

It is an arithmetic number, because the mean of its divisors is an integer number (9338236785).

Almost surely, 2^37138274857 is an apocalyptic number.

It is an amenable number.

37138274857 is a deficient number, since it is larger than the sum of its proper divisors (214672283).

37138274857 is a wasteful number, since it uses less digits than its factorization.

37138274857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214672282.

The product of its digits is 7902720, while the sum is 55.

The spelling of 37138274857 in words is "thirty-seven billion, one hundred thirty-eight million, two hundred seventy-four thousand, eight hundred fifty-seven".