1914938481 has 8 divisors (see below), whose sum is σ = 2572742304. Its totient is φ = 1266880160.

The previous prime is 1914938453. The next prime is 1914938569. The reversal of 1914938481 is 1848394191.

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

It is a cyclic number.

It is not a de Polignac number, because 1914938481 - 2⁵ = 1914938449 is a prime.

It is a super-2 number, since 2×1914938481² = 7333978772029174722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1914938481.

It is not an unprimeable number, because it can be changed into a prime (1914938381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435916 + ... + 2436701.

It is an arithmetic number, because the mean of its divisors is an integer number (321592788).

Almost surely, 2^1914938481 is an apocalyptic number.

It is an amenable number.

1914938481 is a deficient number, since it is larger than the sum of its proper divisors (657803823).

1914938481 is a wasteful number, since it uses less digits than its factorization.

1914938481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872751.

The product of its digits is 248832, while the sum is 48.

The square root of 1914938481 is about 43760.0100662694. The cubic root of 1914938481 is about 1241.7998664926.

It can be divided in two parts, 19149 and 38481, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 1914938481 in words is "one billion, nine hundred fourteen million, nine hundred thirty-eight thousand, four hundred eighty-one".