19680451134 has 16 divisors (see below), whose sum is σ = 40718175120. Its totient is φ = 6333938240.

The previous prime is 19680451117. The next prime is 19680451157. The reversal of 19680451134 is 43115408691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56552847 + ... + 56553194.

It is an arithmetic number, because the mean of its divisors is an integer number (2544885945).

Almost surely, 2^19680451134 is an apocalyptic number.

19680451134 is an abundant number, since it is smaller than the sum of its proper divisors (21037723986).

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

19680451134 is a wasteful number, since it uses less digits than its factorization.

19680451134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113106075.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 19680451134 in words is "nineteen billion, six hundred eighty million, four hundred fifty-one thousand, one hundred thirty-four".