1950968571 has 4 divisors (see below), whose sum is σ = 2601291432. Its totient is φ = 1300645712.

The previous prime is 1950968567. The next prime is 1950968573. The reversal of 1950968571 is 1758690591.

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

It is a cyclic number.

It is not a de Polignac number, because 1950968571 - 2² = 1950968567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1950968573) 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, 325161426 + ... + 325161431.

It is an arithmetic number, because the mean of its divisors is an integer number (650322858).

Almost surely, 2^1950968571 is an apocalyptic number.

1950968571 is a deficient number, since it is larger than the sum of its proper divisors (650322861).

1950968571 is an equidigital number, since it uses as much as digits as its factorization.

1950968571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650322860.

The product of its (nonzero) digits is 680400, while the sum is 51.

The square root of 1950968571 is about 44169.7698771456. The cubic root of 1950968571 is about 1249.5397924013.

The spelling of 1950968571 in words is "one billion, nine hundred fifty million, nine hundred sixty-eight thousand, five hundred seventy-one".