1912969794 has 16 divisors (see below), whose sum is σ = 3841817760. Its totient is φ = 635010240.

The previous prime is 1912969787. The next prime is 1912969801. The reversal of 1912969794 is 4979692191.

It is an interprime number because it is at equal distance from previous prime (1912969787) and next prime (1912969801).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660024 + ... + 662915.

It is an arithmetic number, because the mean of its divisors is an integer number (240113610).

Almost surely, 2^1912969794 is an apocalyptic number.

1912969794 is an abundant number, since it is smaller than the sum of its proper divisors (1928847966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1912969794 is a wasteful number, since it uses less digits than its factorization.

1912969794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323185.

The product of its digits is 2204496, while the sum is 57.

The square root of 1912969794 is about 43737.5101486127. The cubic root of 1912969794 is about 1241.3741690033.

The spelling of 1912969794 in words is "one billion, nine hundred twelve million, nine hundred sixty-nine thousand, seven hundred ninety-four".