32945563402 has 4 divisors (see below), whose sum is σ = 49418345106. Its totient is φ = 16472781700.

The previous prime is 32945563333. The next prime is 32945563403. The reversal of 32945563402 is 20436554923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20436554923 = 106297 ⋅192259.

It can be written as a sum of positive squares in only one way, i.e., 26739117441 + 6206445961 = 163521^2 + 78781^2 .

It is not an unprimeable number, because it can be changed into a prime (32945563403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236390849 + ... + 8236390852.

Almost surely, 2^32945563402 is an apocalyptic number.

32945563402 is a deficient number, since it is larger than the sum of its proper divisors (16472781704).

32945563402 is a wasteful number, since it uses less digits than its factorization.

32945563402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16472781703.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 32945563402 in words is "thirty-two billion, nine hundred forty-five million, five hundred sixty-three thousand, four hundred two".