1913766334 has 4 divisors (see below), whose sum is σ = 2870649504. Its totient is φ = 956883166.

The previous prime is 1913766331. The next prime is 1913766343. The reversal of 1913766334 is 4336673191.

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 (1913766331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478441582 + ... + 478441585.

It is an arithmetic number, because the mean of its divisors is an integer number (717662376).

Almost surely, 2^1913766334 is an apocalyptic number.

1913766334 is a deficient number, since it is larger than the sum of its proper divisors (956883170).

1913766334 is an equidigital number, since it uses as much as digits as its factorization.

1913766334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956883169.

The product of its digits is 244944, while the sum is 43.

The square root of 1913766334 is about 43746.6151147720. The cubic root of 1913766334 is about 1241.5464433684.

The spelling of 1913766334 in words is "one billion, nine hundred thirteen million, seven hundred sixty-six thousand, three hundred thirty-four".