19461302138700 has 144 divisors (see below), whose sum is σ = 63498281266560. Its totient is φ = 5112222603840.

The previous prime is 19461302138657. The next prime is 19461302138713. The reversal of 19461302138700 is 783120316491.

19461302138700 is a `hidden beast` number, since 1 + 9 + 4 + 613 + 0 + 21 + 3 + 8 + 7 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 53609322 + ... + 53971121.

Almost surely, 2^{19461302138700} is an apocalyptic number.

19461302138700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19461302138700 is an abundant number, since it is smaller than the sum of its proper divisors (44036979127860).

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

19461302138700 is a wasteful number, since it uses less digits than its factorization.

19461302138700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107580533 (or 107580520 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 19461302138700 in words is "nineteen trillion, four hundred sixty-one billion, three hundred two million, one hundred thirty-eight thousand, seven hundred".