3199742247 has 8 divisors (see below), whose sum is σ = 4594501744. Its totient is φ = 1969072128.

The previous prime is 3199742237. The next prime is 3199742311. The reversal of 3199742247 is 7422479913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3199742247 - 2¹⁴ = 3199725863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3199742196 and 3199742205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3199742237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41022298 + ... + 41022375.

It is an arithmetic number, because the mean of its divisors is an integer number (574312718).

Almost surely, 2^3199742247 is an apocalyptic number.

3199742247 is a deficient number, since it is larger than the sum of its proper divisors (1394759497).

3199742247 is a wasteful number, since it uses less digits than its factorization.

3199742247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82044689.

The product of its digits is 762048, while the sum is 48.

The square root of 3199742247 is about 56566.2642128681. The cubic root of 3199742247 is about 1473.5730329700.

The spelling of 3199742247 in words is "three billion, one hundred ninety-nine million, seven hundred forty-two thousand, two hundred forty-seven".