5631969974 has 4 divisors (see below), whose sum is σ = 8447954964. Its totient is φ = 2815984986.

The previous prime is 5631969971. The next prime is 5631969977. The reversal of 5631969974 is 4799691365.

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

It is an interprime number because it is at equal distance from previous prime (5631969971) and next prime (5631969977).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631969971) 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 as a sum of consecutive naturals, namely, 1407992492 + ... + 1407992495.

It is an arithmetic number, because the mean of its divisors is an integer number (2111988741).

Almost surely, 2^5631969974 is an apocalyptic number.

5631969974 is a deficient number, since it is larger than the sum of its proper divisors (2815984990).

5631969974 is a wasteful number, since it uses less digits than its factorization.

5631969974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815984989.

The product of its digits is 11022480, while the sum is 59.

The square root of 5631969974 is about 75046.4521080111. The cubic root of 5631969974 is about 1779.1809106494.

The spelling of 5631969974 in words is "five billion, six hundred thirty-one million, nine hundred sixty-nine thousand, nine hundred seventy-four".