19120528679 has 12 divisors (see below), whose sum is σ = 22253390064. Its totient is φ = 16380814464.

The previous prime is 19120528639. The next prime is 19120528681. The reversal of 19120528679 is 97682502191.

It is not a de Polignac number, because 19120528679 - 2¹⁶ = 19120463143 is a prime.

It is a super-2 number, since 2×19120528679² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19120528619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2102 + ... + 195564.

It is an arithmetic number, because the mean of its divisors is an integer number (1854449172).

Almost surely, 2^19120528679 is an apocalyptic number.

19120528679 is a deficient number, since it is larger than the sum of its proper divisors (3132861385).

19120528679 is a wasteful number, since it uses less digits than its factorization.

19120528679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195494 (or 195487 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 50.

Adding to 19120528679 its sum of digits (50), we get a square (19120528729 = 138277²).

The spelling of 19120528679 in words is "nineteen billion, one hundred twenty million, five hundred twenty-eight thousand, six hundred seventy-nine".