19394215010 has 16 divisors (see below), whose sum is σ = 35140779072. Its totient is φ = 7706310000.

The previous prime is 19394214887. The next prime is 19394215069. The reversal of 19394215010 is 1051249391.

It is a happy number.

It is a super-2 number, since 2×19394215010² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6420416 + ... + 6423435.

It is an arithmetic number, because the mean of its divisors is an integer number (2196298692).

Almost surely, 2^19394215010 is an apocalyptic number.

19394215010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19394215010 is a deficient number, since it is larger than the sum of its proper divisors (15746564062).

19394215010 is a wasteful number, since it uses less digits than its factorization.

19394215010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844009.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 19394215010 in words is "nineteen billion, three hundred ninety-four million, two hundred fifteen thousand, ten".