1912909934 has 8 divisors (see below), whose sum is σ = 3090085320. Its totient is φ = 882881496.

The previous prime is 1912909927. The next prime is 1912909951. The reversal of 1912909934 is 4399092191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 36786704 + ... + 36786755.

It is an arithmetic number, because the mean of its divisors is an integer number (386260665).

Almost surely, 2^1912909934 is an apocalyptic number.

1912909934 is a deficient number, since it is larger than the sum of its proper divisors (1177175386).

1912909934 is a wasteful number, since it uses less digits than its factorization.

1912909934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73573474.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 1912909934 is about 43736.8258336153. The cubic root of 1912909934 is about 1241.3612206489.

The spelling of 1912909934 in words is "one billion, nine hundred twelve million, nine hundred nine thousand, nine hundred thirty-four".