21733960379 has 2 divisors, whose sum is σ = 21733960380. Its totient is φ = 21733960378.

The previous prime is 21733960373. The next prime is 21733960421. The reversal of 21733960379 is 97306933712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21733960379 - 2³² = 17438993083 is a prime.

It is not a weakly prime, because it can be changed into another prime (21733960373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10866980189 + 10866980190.

It is an arithmetic number, because the mean of its divisors is an integer number (10866980190).

Almost surely, 2^21733960379 is an apocalyptic number.

21733960379 is a deficient number, since it is larger than the sum of its proper divisors (1).

21733960379 is an equidigital number, since it uses as much as digits as its factorization.

21733960379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The spelling of 21733960379 in words is "twenty-one billion, seven hundred thirty-three million, nine hundred sixty thousand, three hundred seventy-nine".