1912769534 has 32 divisors (see below), whose sum is σ = 3128885760. Its totient is φ = 871718112.

The previous prime is 1912769513. The next prime is 1912769543. The reversal of 1912769534 is 4359672191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174829 + ... + 1176455.

It is an arithmetic number, because the mean of its divisors is an integer number (97777680).

Almost surely, 2^1912769534 is an apocalyptic number.

1912769534 is a deficient number, since it is larger than the sum of its proper divisors (1216116226).

1912769534 is a wasteful number, since it uses less digits than its factorization.

1912769534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its digits is 408240, while the sum is 47.

The square root of 1912769534 is about 43735.2207494143. The cubic root of 1912769534 is about 1241.3308495763.

The spelling of 1912769534 in words is "one billion, nine hundred twelve million, seven hundred sixty-nine thousand, five hundred thirty-four".