3197997049 has 4 divisors (see below), whose sum is σ = 3443996836. Its totient is φ = 2951997264.

The previous prime is 3197997043. The next prime is 3197997053. The reversal of 3197997049 is 9407997913.

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 518381824 + 2679615225 = 22768^2 + 51765^2 .

It is a cyclic number.

It is not a de Polignac number, because 3197997049 - 2²⁹ = 2661126137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3197996984 and 3197997002.

It is not an unprimeable number, because it can be changed into a prime (3197997043) 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, 122999874 + ... + 122999899.

It is an arithmetic number, because the mean of its divisors is an integer number (860999209).

Almost surely, 2^3197997049 is an apocalyptic number.

It is an amenable number.

3197997049 is a deficient number, since it is larger than the sum of its proper divisors (245999787).

3197997049 is a wasteful number, since it uses less digits than its factorization.

3197997049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245999786.

The product of its (nonzero) digits is 3857868, while the sum is 58.

The square root of 3197997049 is about 56550.8359708325. The cubic root of 3197997049 is about 1473.3050796788.

The spelling of 3197997049 in words is "three billion, one hundred ninety-seven million, nine hundred ninety-seven thousand, forty-nine".