19349154100 has 36 divisors (see below), whose sum is σ = 42000328300. Its totient is φ = 7737327360.

The previous prime is 19349154059. The next prime is 19349154113. The reversal of 19349154100 is 145194391.

It can be written as a sum of positive squares in 6 ways, for example, as 5280347556 + 14068806544 = 72666^2 + 118612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19349154100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325486 + ... + 380314.

Almost surely, 2^19349154100 is an apocalyptic number.

19349154100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19349154100 is an abundant number, since it is smaller than the sum of its proper divisors (22651174200).

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

19349154100 is a wasteful number, since it uses less digits than its factorization.

19349154100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58372 (or 58365 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 19349154100 in words is "nineteen billion, three hundred forty-nine million, one hundred fifty-four thousand, one hundred".