19700807259672 has 448 divisors, whose sum is σ = 71430218668800. Its totient is φ = 4940638053120.

The previous prime is 19700807259649. The next prime is 19700807259767. The reversal of 19700807259672 is 27695270800791.

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 111 ways as a sum of consecutive naturals, for example, 12266463 + ... + 13779249.

Almost surely, 2^{19700807259672} is an apocalyptic number.

19700807259672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19700807259672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35715109334400).

19700807259672 is an abundant number, since it is smaller than the sum of its proper divisors (51729411409128).

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

19700807259672 is a wasteful number, since it uses less digits than its factorization.

19700807259672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512858 (or 1512839 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 19700807259672 in words is "nineteen trillion, seven hundred billion, eight hundred seven million, two hundred fifty-nine thousand, six hundred seventy-two".