9045809037 has 6 divisors (see below), whose sum is σ = 13066168622. Its totient is φ = 6030539352.

The previous prime is 9045809029. The next prime is 9045809039. The reversal of 9045809037 is 7309085409.

It can be written as a sum of positive squares in only one way, i.e., 8714969316 + 330839721 = 93354^2 + 18189^2 .

It is not a de Polignac number, because 9045809037 - 2³ = 9045809029 is a prime.

It is a super-2 number, since 2×9045809037² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9045808983 and 9045809001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045809039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502544938 + ... + 502544955.

Almost surely, 2^9045809037 is an apocalyptic number.

It is an amenable number.

9045809037 is a deficient number, since it is larger than the sum of its proper divisors (4020359585).

9045809037 is a wasteful number, since it uses less digits than its factorization.

9045809037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005089899 (or 1005089896 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 9045809037 is about 95109.4581889730. The cubic root of 9045809037 is about 2083.6069869835.

The spelling of 9045809037 in words is "nine billion, forty-five million, eight hundred nine thousand, thirty-seven".