1914009012 has 72 divisors (see below), whose sum is σ = 4950481536. Its totient is φ = 623247744.

The previous prime is 1914009007. The next prime is 1914009043. The reversal of 1914009012 is 2109004191.

It is a super-2 number, since 2×1914009012² = 7326860996034432288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1611883 + ... + 1613069.

It is an arithmetic number, because the mean of its divisors is an integer number (68756688).

Almost surely, 2^1914009012 is an apocalyptic number.

1914009012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914009012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475240768).

1914009012 is an abundant number, since it is smaller than the sum of its proper divisors (3036472524).

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

1914009012 is a wasteful number, since it uses less digits than its factorization.

1914009012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1914009012 is about 43749.3887043008. The cubic root of 1914009012 is about 1241.5989198677.

The spelling of 1914009012 in words is "one billion, nine hundred fourteen million, nine thousand, twelve".