3809473197 has 4 divisors (see below), whose sum is σ = 5079297600. Its totient is φ = 2539648796.

The previous prime is 3809473183. The next prime is 3809473201. The reversal of 3809473197 is 7913749083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3809473197 - 2⁴ = 3809473181 is a prime.

It is a super-2 number, since 2×3809473197² = 29024172077322801618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809473117) 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, 634912197 + ... + 634912202.

It is an arithmetic number, because the mean of its divisors is an integer number (1269824400).

Almost surely, 2^3809473197 is an apocalyptic number.

It is an amenable number.

3809473197 is a deficient number, since it is larger than the sum of its proper divisors (1269824403).

3809473197 is a wasteful number, since it uses less digits than its factorization.

3809473197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269824402.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 3809473197 is about 61720.9299751713. The cubic root of 3809473197 is about 1561.7864146561.

The spelling of 3809473197 in words is "three billion, eight hundred nine million, four hundred seventy-three thousand, one hundred ninety-seven".