37444866149 has 16 divisors (see below), whose sum is σ = 39346251120. Its totient is φ = 35588313600.

The previous prime is 37444866131. The next prime is 37444866187. The reversal of 37444866149 is 94166844473.

37444866149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13881081124 + 23563785025 = 117818^2 + 153505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37444866149 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37444866094 and 37444866103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37444866749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469769 + ... + 543665.

It is an arithmetic number, because the mean of its divisors is an integer number (2459140695).

Almost surely, 2^37444866149 is an apocalyptic number.

It is an amenable number.

37444866149 is a deficient number, since it is larger than the sum of its proper divisors (1901384971).

37444866149 is a wasteful number, since it uses less digits than its factorization.

37444866149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74200.

The product of its digits is 13934592, while the sum is 56.

The spelling of 37444866149 in words is "thirty-seven billion, four hundred forty-four million, eight hundred sixty-six thousand, one hundred forty-nine".