37449494473 has 4 divisors (see below), whose sum is σ = 37451981700. Its totient is φ = 37447007248.

The previous prime is 37449494471. The next prime is 37449494483.

37449494473 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22998329104 + 14451165369 = 151652^2 + 120213^2 .

It is a cyclic number.

It is not a de Polignac number, because 37449494473 - 2¹ = 37449494471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37449494471) 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 in 3 ways as a sum of consecutive naturals, for example, 1220890 + ... + 1251187.

It is an arithmetic number, because the mean of its divisors is an integer number (9362995425).

Almost surely, 2^37449494473 is an apocalyptic number.

It is an amenable number.

37449494473 is a deficient number, since it is larger than the sum of its proper divisors (2487227).

37449494473 is a wasteful number, since it uses less digits than its factorization.

37449494473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487226.

The product of its digits is 36578304, while the sum is 58.

The spelling of 37449494473 in words is "thirty-seven billion, four hundred forty-nine million, four hundred ninety-four thousand, four hundred seventy-three".