19621084029 has 8 divisors (see below), whose sum is σ = 26519821632. Its totient is φ = 12901534560.

The previous prime is 19621083973. The next prime is 19621084037. The reversal of 19621084029 is 92048012691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19621084029 - 2⁷ = 19621083901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19621084039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44796777 + ... + 44797214.

It is an arithmetic number, because the mean of its divisors is an integer number (3314977704).

Almost surely, 2^19621084029 is an apocalyptic number.

It is an amenable number.

19621084029 is a deficient number, since it is larger than the sum of its proper divisors (6898737603).

19621084029 is an equidigital number, since it uses as much as digits as its factorization.

19621084029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89594067.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 19621084029 in words is "nineteen billion, six hundred twenty-one million, eighty-four thousand, twenty-nine".