1409999859 has 32 divisors (see below), whose sum is σ = 2142720000. Its totient is φ = 915953472.

The previous prime is 1409999827. The next prime is 1409999897. The reversal of 1409999859 is 9589999041.

1409999859 is a `hidden beast` number, since 1 + 409 + 99 + 98 + 59 = 666.

It is not a de Polignac number, because 1409999859 - 2⁵ = 1409999827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1409999796 and 1409999805.

It is not an unprimeable number, because it can be changed into a prime (1409999819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300967 + ... + 305615.

It is an arithmetic number, because the mean of its divisors is an integer number (66960000).

Almost surely, 2^1409999859 is an apocalyptic number.

1409999859 is a deficient number, since it is larger than the sum of its proper divisors (732720141).

1409999859 is a wasteful number, since it uses less digits than its factorization.

1409999859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4944 (or 4938 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 63.

The square root of 1409999859 is about 37549.9648335388. The cubic root of 1409999859 is about 1121.3461330759.

It can be divided in two parts, 140 and 9999859, that added together give a palindrome (9999999).

The spelling of 1409999859 in words is "one billion, four hundred nine million, nine hundred ninety-nine thousand, eight hundred fifty-nine".