32100039973 has 2 divisors, whose sum is σ = 32100039974. Its totient is φ = 32100039972.

The previous prime is 32100039971. The next prime is 32100040039. The reversal of 32100039973 is 37993000123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31663355364 + 436684609 = 177942^2 + 20897^2 .

It is a cyclic number.

It is not a de Polignac number, because 32100039973 - 2¹ = 32100039971 is a prime.

Together with 32100039971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32100039971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16050019986 + 16050019987.

It is an arithmetic number, because the mean of its divisors is an integer number (16050019987).

Almost surely, 2^32100039973 is an apocalyptic number.

It is an amenable number.

32100039973 is a deficient number, since it is larger than the sum of its proper divisors (1).

32100039973 is an equidigital number, since it uses as much as digits as its factorization.

32100039973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 32100039973 in words is "thirty-two billion, one hundred million, thirty-nine thousand, nine hundred seventy-three".