35199722021 has 4 divisors (see below), whose sum is σ = 35200234944. Its totient is φ = 35199209100.

The previous prime is 35199722017. The next prime is 35199722023. The reversal of 35199722021 is 12022799153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 35199722021 - 2² = 35199722017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35199722021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35199722023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134045 + ... + 297266.

It is an arithmetic number, because the mean of its divisors is an integer number (8800058736).

Almost surely, 2^35199722021 is an apocalyptic number.

It is an amenable number.

35199722021 is a deficient number, since it is larger than the sum of its proper divisors (512923).

35199722021 is an equidigital number, since it uses as much as digits as its factorization.

35199722021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512922.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 35199722021 in words is "thirty-five billion, one hundred ninety-nine million, seven hundred twenty-two thousand, twenty-one".