32121012949 has 2 divisors, whose sum is σ = 32121012950. Its totient is φ = 32121012948.

The previous prime is 32121012941. The next prime is 32121012953. The reversal of 32121012949 is 94921012123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22244231025 + 9876781924 = 149145^2 + 99382^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121012949 - 2³ = 32121012941 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32121012941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060506474 + 16060506475.

It is an arithmetic number, because the mean of its divisors is an integer number (16060506475).

Almost surely, 2^32121012949 is an apocalyptic number.

It is an amenable number.

32121012949 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121012949 is an equidigital number, since it uses as much as digits as its factorization.

32121012949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 32121012949 in words is "thirty-two billion, one hundred twenty-one million, twelve thousand, nine hundred forty-nine".