17929420802 has 8 divisors (see below), whose sum is σ = 26904059712. Its totient is φ = 8961400900.

The previous prime is 17929420799. The next prime is 17929420807. The reversal of 17929420802 is 20802492971.

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

It is not an unprimeable number, because it can be changed into a prime (17929420807) 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, 1647974 + ... + 1658817.

It is an arithmetic number, because the mean of its divisors is an integer number (3363007464).

Almost surely, 2^17929420802 is an apocalyptic number.

17929420802 is a deficient number, since it is larger than the sum of its proper divisors (8974638910).

17929420802 is a wasteful number, since it uses less digits than its factorization.

17929420802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309504.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 17929420802 in words is "seventeen billion, nine hundred twenty-nine million, four hundred twenty thousand, eight hundred two".