6469993037 has 4 divisors (see below), whose sum is σ = 6534052476. Its totient is φ = 6405933600.

The previous prime is 6469993001. The next prime is 6469993051. The reversal of 6469993037 is 7303999646.

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 5921918116 + 548074921 = 76954^2 + 23411^2 .

It is a cyclic number.

It is not a de Polignac number, because 6469993037 - 2⁶ = 6469992973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469953037) 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, 32029568 + ... + 32029769.

It is an arithmetic number, because the mean of its divisors is an integer number (1633513119).

Almost surely, 2^6469993037 is an apocalyptic number.

It is an amenable number.

6469993037 is a deficient number, since it is larger than the sum of its proper divisors (64059439).

6469993037 is a wasteful number, since it uses less digits than its factorization.

6469993037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64059438.

The product of its (nonzero) digits is 6613488, while the sum is 56.

The square root of 6469993037 is about 80436.2669260577. The cubic root of 6469993037 is about 1863.3793189909.

The spelling of 6469993037 in words is "six billion, four hundred sixty-nine million, nine hundred ninety-three thousand, thirty-seven".