1950986915 has 4 divisors (see below), whose sum is σ = 2341184304. Its totient is φ = 1560789528.

The previous prime is 1950986911. The next prime is 1950986941. The reversal of 1950986915 is 5196890591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5196890591 = 1637 ⋅3174643.

It is a cyclic number.

It is not a de Polignac number, because 1950986915 - 2² = 1950986911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1950986911) 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, 195098687 + ... + 195098696.

It is an arithmetic number, because the mean of its divisors is an integer number (585296076).

Almost surely, 2^1950986915 is an apocalyptic number.

1950986915 is a deficient number, since it is larger than the sum of its proper divisors (390197389).

1950986915 is an equidigital number, since it uses as much as digits as its factorization.

1950986915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390197388.

The product of its (nonzero) digits is 874800, while the sum is 53.

The square root of 1950986915 is about 44169.9775299920. The cubic root of 1950986915 is about 1249.5437086588.

The spelling of 1950986915 in words is "one billion, nine hundred fifty million, nine hundred eighty-six thousand, nine hundred fifteen".