1940953814 has 4 divisors (see below), whose sum is σ = 2911430724. Its totient is φ = 970476906.

The previous prime is 1940953811. The next prime is 1940953841. The reversal of 1940953814 is 4183590491.

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

It is a super-2 number, since 2×1940953814² = 7534603416162293192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940953811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485238452 + ... + 485238455.

It is an arithmetic number, because the mean of its divisors is an integer number (727857681).

Almost surely, 2^1940953814 is an apocalyptic number.

1940953814 is a deficient number, since it is larger than the sum of its proper divisors (970476910).

1940953814 is an equidigital number, since it uses as much as digits as its factorization.

1940953814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970476909.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1940953814 is about 44056.2573762230. The cubic root of 1940953814 is about 1247.3980680380.

The spelling of 1940953814 in words is "one billion, nine hundred forty million, nine hundred fifty-three thousand, eight hundred fourteen".