1953837434 has 16 divisors (see below), whose sum is σ = 3042800640. Its totient is φ = 939935280.

The previous prime is 1953837433. The next prime is 1953837437. The reversal of 1953837434 is 4347383591.

It is not an unprimeable number, because it can be changed into a prime (1953837433) 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 in 7 ways as a sum of consecutive naturals, for example, 80354 + ... + 101805.

It is an arithmetic number, because the mean of its divisors is an integer number (190175040).

Almost surely, 2^1953837434 is an apocalyptic number.

1953837434 is a deficient number, since it is larger than the sum of its proper divisors (1088963206).

1953837434 is a wasteful number, since it uses less digits than its factorization.

1953837434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182365.

The product of its digits is 1088640, while the sum is 47.

The square root of 1953837434 is about 44202.2333598654. The cubic root of 1953837434 is about 1250.1519674440.

The spelling of 1953837434 in words is "one billion, nine hundred fifty-three million, eight hundred thirty-seven thousand, four hundred thirty-four".