19413812870 has 8 divisors (see below), whose sum is σ = 34944863184. Its totient is φ = 7765525144.

The previous prime is 19413812849. The next prime is 19413812917. The reversal of 19413812870 is 7821831491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19413812870² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970690634 + ... + 970690653.

It is an arithmetic number, because the mean of its divisors is an integer number (4368107898).

Almost surely, 2^19413812870 is an apocalyptic number.

19413812870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19413812870 is a deficient number, since it is larger than the sum of its proper divisors (15531050314).

19413812870 is a wasteful number, since it uses less digits than its factorization.

19413812870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941381294.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 19413812870 in words is "nineteen billion, four hundred thirteen million, eight hundred twelve thousand, eight hundred seventy".