19749303070 has 64 divisors (see below), whose sum is σ = 43038760320. Its totient is φ = 6369656832.

The previous prime is 19749303061. The next prime is 19749303131. The reversal of 19749303070 is 7030394791.

It is a super-3 number, since 3×19749303070³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 3768492 + ... + 3773728.

It is an arithmetic number, because the mean of its divisors is an integer number (672480630).

Almost surely, 2^19749303070 is an apocalyptic number.

19749303070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19749303070 is an abundant number, since it is smaller than the sum of its proper divisors (23289457250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19749303070 is a wasteful number, since it uses less digits than its factorization.

19749303070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 19749303070 in words is "nineteen billion, seven hundred forty-nine million, three hundred three thousand, seventy".