1969179428 has 24 divisors (see below), whose sum is σ = 3650590944. Its totient is φ = 926211200.

The previous prime is 1969179419. The next prime is 1969179449. The reversal of 1969179428 is 8249719691.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 157943 + ... + 169953.

It is an arithmetic number, because the mean of its divisors is an integer number (152107956).

Almost surely, 2^1969179428 is an apocalyptic number.

It is an amenable number.

1969179428 is a deficient number, since it is larger than the sum of its proper divisors (1681411516).

1969179428 is a wasteful number, since it uses less digits than its factorization.

1969179428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14443 (or 14441 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The square root of 1969179428 is about 44375.4372147475. The cubic root of 1969179428 is about 1253.4156030637.

The spelling of 1969179428 in words is "one billion, nine hundred sixty-nine million, one hundred seventy-nine thousand, four hundred twenty-eight".