19534406570 has 32 divisors (see below), whose sum is σ = 40191510528. Its totient is φ = 6696436608.

The previous prime is 19534406527. The next prime is 19534406579. The reversal of 19534406570 is 7560443591.

It is not an unprimeable number, because it can be changed into a prime (19534406579) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 505454 + ... + 542726.

It is an arithmetic number, because the mean of its divisors is an integer number (1255984704).

Almost surely, 2^19534406570 is an apocalyptic number.

19534406570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19534406570 is an abundant number, since it is smaller than the sum of its proper divisors (20657103958).

19534406570 is a wasteful number, since it uses less digits than its factorization.

19534406570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44774.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 19534406570 in words is "nineteen billion, five hundred thirty-four million, four hundred six thousand, five hundred seventy".