1499041905 has 16 divisors (see below), whose sum is σ = 2502748800. Its totient is φ = 764728448.

The previous prime is 1499041891. The next prime is 1499041909. The reversal of 1499041905 is 5091409941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1499041905 - 2⁴ = 1499041889 is a prime.

It is a super-3 number, since 3×1499041905³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1499041909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172180 + ... + 2172869.

It is an arithmetic number, because the mean of its divisors is an integer number (156421800).

Almost surely, 2^1499041905 is an apocalyptic number.

1499041905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1499041905 is a deficient number, since it is larger than the sum of its proper divisors (1003706895).

1499041905 is a wasteful number, since it uses less digits than its factorization.

1499041905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345080.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1499041905 is about 38717.4625330741. The cubic root of 1499041905 is about 1144.4704695349.

The spelling of 1499041905 in words is "one billion, four hundred ninety-nine million, forty-one thousand, nine hundred five".