1914338457 has 24 divisors (see below), whose sum is σ = 2832429600. Its totient is φ = 1245238848.

The previous prime is 1914338399. The next prime is 1914338467. The reversal of 1914338457 is 7548334191.

1914338457 is a `hidden beast` number, since 1 + 91 + 433 + 84 + 57 = 666.

It is not a de Polignac number, because 1914338457 - 2¹⁰ = 1914337433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1914338467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485269 + ... + 489197.

It is an arithmetic number, because the mean of its divisors is an integer number (118017900).

Almost surely, 2^1914338457 is an apocalyptic number.

It is an amenable number.

1914338457 is a deficient number, since it is larger than the sum of its proper divisors (918091143).

1914338457 is a wasteful number, since it uses less digits than its factorization.

1914338457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5234 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1914338457 is about 43753.1536806206. The cubic root of 1914338457 is about 1241.6701516971.

It can be divided in two parts, 19143 and 38457, that added together give a square (57600 = 240²).

The spelling of 1914338457 in words is "one billion, nine hundred fourteen million, three hundred thirty-eight thousand, four hundred fifty-seven".