32003021047 has 2 divisors, whose sum is σ = 32003021048. Its totient is φ = 32003021046.

The previous prime is 32003021023. The next prime is 32003021069. The reversal of 32003021047 is 74012030023.

It is an a-pointer prime, because the next prime (32003021069) can be obtained adding 32003021047 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32003021047 is a prime.

It is a super-2 number, since 2×32003021047² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32003021147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001510523 + 16001510524.

It is an arithmetic number, because the mean of its divisors is an integer number (16001510524).

Almost surely, 2^32003021047 is an apocalyptic number.

32003021047 is a deficient number, since it is larger than the sum of its proper divisors (1).

32003021047 is an equidigital number, since it uses as much as digits as its factorization.

32003021047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The spelling of 32003021047 in words is "thirty-two billion, three million, twenty-one thousand, forty-seven".