1953013814 has 4 divisors (see below), whose sum is σ = 2929520724. Its totient is φ = 976506906.

The previous prime is 1953013813. The next prime is 1953013817. The reversal of 1953013814 is 4183103591.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953013813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488253452 + ... + 488253455.

It is an arithmetic number, because the mean of its divisors is an integer number (732380181).

Almost surely, 2^1953013814 is an apocalyptic number.

1953013814 is a deficient number, since it is larger than the sum of its proper divisors (976506910).

1953013814 is an equidigital number, since it uses as much as digits as its factorization.

1953013814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976506909.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1953013814 is about 44192.9158802630. The cubic root of 1953013814 is about 1249.9762798699.

The spelling of 1953013814 in words is "one billion, nine hundred fifty-three million, thirteen thousand, eight hundred fourteen".