3564957982 has 4 divisors (see below), whose sum is σ = 5347436976. Its totient is φ = 1782478990.

The previous prime is 3564957959. The next prime is 3564958009. The reversal of 3564957982 is 2897594653.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891239494 + ... + 891239497.

It is an arithmetic number, because the mean of its divisors is an integer number (1336859244).

Almost surely, 2^3564957982 is an apocalyptic number.

3564957982 is a deficient number, since it is larger than the sum of its proper divisors (1782478994).

3564957982 is a wasteful number, since it uses less digits than its factorization.

3564957982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782478993.

The product of its digits is 16329600, while the sum is 58.

The square root of 3564957982 is about 59707.2690884452. The cubic root of 3564957982 is about 1527.6298589823.

The spelling of 3564957982 in words is "three billion, five hundred sixty-four million, nine hundred fifty-seven thousand, nine hundred eighty-two".