1950940259 has 4 divisors (see below), whose sum is σ = 1962622704. Its totient is φ = 1939257816.

The previous prime is 1950940241. The next prime is 1950940261. The reversal of 1950940259 is 9520490591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9520490591 = 29 ⋅328292779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1950940259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1950940289) 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, 5840972 + ... + 5841305.

It is an arithmetic number, because the mean of its divisors is an integer number (490655676).

Almost surely, 2^1950940259 is an apocalyptic number.

1950940259 is a deficient number, since it is larger than the sum of its proper divisors (11682445).

1950940259 is a wasteful number, since it uses less digits than its factorization.

1950940259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11682444.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 1950940259 is about 44169.4493852935. The cubic root of 1950940259 is about 1249.5337480289.

The spelling of 1950940259 in words is "one billion, nine hundred fifty million, nine hundred forty thousand, two hundred fifty-nine".