1950422459 has 4 divisors (see below), whose sum is σ = 1950556440. Its totient is φ = 1950288480.

The previous prime is 1950422407. The next prime is 1950422473. The reversal of 1950422459 is 9542240591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1950422459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1950422489) 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, 42062 + ... + 75299.

It is an arithmetic number, because the mean of its divisors is an integer number (487639110).

Almost surely, 2^1950422459 is an apocalyptic number.

1950422459 is a deficient number, since it is larger than the sum of its proper divisors (133981).

1950422459 is a wasteful number, since it uses less digits than its factorization.

1950422459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133980.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1950422459 is about 44163.5874788269. The cubic root of 1950422459 is about 1249.4231917948.

The spelling of 1950422459 in words is "one billion, nine hundred fifty million, four hundred twenty-two thousand, four hundred fifty-nine".