19461974044086 has 24 divisors (see below), whose sum is σ = 48191554776144. Its totient is φ = 5560564012560.

The previous prime is 19461974044039. The next prime is 19461974044103. The reversal of 19461974044086 is 68044047916491.

19461974044086 is a `hidden beast` number, since 1 + 9 + 4 + 61 + 97 + 40 + 440 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77230055605 + ... + 77230055856.

It is an arithmetic number, because the mean of its divisors is an integer number (2007981449006).

Almost surely, 2^{19461974044086} is an apocalyptic number.

19461974044086 is an abundant number, since it is smaller than the sum of its proper divisors (28729580732058).

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

19461974044086 is a wasteful number, since it uses less digits than its factorization.

19461974044086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154460111476 (or 154460111473 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 19461974044086 in words is "nineteen trillion, four hundred sixty-one billion, nine hundred seventy-four million, forty-four thousand, eighty-six".