1969775147 has 8 divisors (see below), whose sum is σ = 1974529872. Its totient is φ = 1965028000.

The previous prime is 1969775141. The next prime is 1969775167. The reversal of 1969775147 is 7415779691.

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

It is a cyclic number.

It is not a de Polignac number, because 1969775147 - 2¹⁸ = 1969513003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1969775092 and 1969775101.

It is not an unprimeable number, because it can be changed into a prime (1969775141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379648 + ... + 1381074.

It is an arithmetic number, because the mean of its divisors is an integer number (246816234).

Almost surely, 2^1969775147 is an apocalyptic number.

1969775147 is a deficient number, since it is larger than the sum of its proper divisors (4754725).

1969775147 is a wasteful number, since it uses less digits than its factorization.

1969775147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789.

The product of its digits is 3333960, while the sum is 56.

The square root of 1969775147 is about 44382.1489678001. The cubic root of 1969775147 is about 1253.5419853520.

The spelling of 1969775147 in words is "one billion, nine hundred sixty-nine million, seven hundred seventy-five thousand, one hundred forty-seven".