32479047946 has 4 divisors (see below), whose sum is σ = 48718571922. Its totient is φ = 16239523972.

The previous prime is 32479047943. The next prime is 32479047967. The reversal of 32479047946 is 64974097423.

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

It can be written as a sum of positive squares in only one way, i.e., 24350042025 + 8129005921 = 156045^2 + 90161^2 .

It is not an unprimeable number, because it can be changed into a prime (32479047943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8119761985 + ... + 8119761988.

Almost surely, 2^32479047946 is an apocalyptic number.

32479047946 is a deficient number, since it is larger than the sum of its proper divisors (16239523976).

32479047946 is a wasteful number, since it uses less digits than its factorization.

32479047946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239523975.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 32479047946 in words is "thirty-two billion, four hundred seventy-nine million, forty-seven thousand, nine hundred forty-six".