1914858729 has 12 divisors (see below), whose sum is σ = 3161036736. Its totient is φ = 1094204952.

The previous prime is 1914858713. The next prime is 1914858739. The reversal of 1914858729 is 9278584191.

It is a happy number.

1914858729 is a `hidden beast` number, since 1 + 91 + 485 + 8 + 72 + 9 = 666.

It is not a de Polignac number, because 1914858729 - 2⁴ = 1914858713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1914858709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15197229 + ... + 15197354.

It is an arithmetic number, because the mean of its divisors is an integer number (263419728).

Almost surely, 2^1914858729 is an apocalyptic number.

It is an amenable number.

1914858729 is a deficient number, since it is larger than the sum of its proper divisors (1246178007).

1914858729 is a wasteful number, since it uses less digits than its factorization.

1914858729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30394596 (or 30394593 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 1914858729 is about 43759.0988138467. The cubic root of 1914858729 is about 1241.7826270532.

It can be divided in two parts, 19148 and 58729, that added together give a palindrome (77877).

The spelling of 1914858729 in words is "one billion, nine hundred fourteen million, eight hundred fifty-eight thousand, seven hundred twenty-nine".