1969424917 has 4 divisors (see below), whose sum is σ = 2073078880. Its totient is φ = 1865770956.

The previous prime is 1969424911. The next prime is 1969424929. The reversal of 1969424917 is 7194249691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1969424917 - 2¹¹ = 1969422869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969424911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51826953 + ... + 51826990.

It is an arithmetic number, because the mean of its divisors is an integer number (518269720).

Almost surely, 2^1969424917 is an apocalyptic number.

It is an amenable number.

1969424917 is a deficient number, since it is larger than the sum of its proper divisors (103653963).

1969424917 is a wasteful number, since it uses less digits than its factorization.

1969424917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103653962.

The product of its digits is 979776, while the sum is 52.

The square root of 1969424917 is about 44378.2031745315. The cubic root of 1969424917 is about 1253.4676868493.

The spelling of 1969424917 in words is "one billion, nine hundred sixty-nine million, four hundred twenty-four thousand, nine hundred seventeen".