1409491743 has 16 divisors (see below), whose sum is σ = 2170768896. Its totient is φ = 803987840.

The previous prime is 1409491717. The next prime is 1409491823. The reversal of 1409491743 is 3471949041.

It is a cyclic number.

It is not a de Polignac number, because 1409491743 - 2⁶ = 1409491679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1409491695 and 1409491704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409491703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255671 + ... + 1256792.

It is an arithmetic number, because the mean of its divisors is an integer number (135673056).

Almost surely, 2^1409491743 is an apocalyptic number.

1409491743 is a deficient number, since it is larger than the sum of its proper divisors (761277153).

1409491743 is a wasteful number, since it uses less digits than its factorization.

1409491743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512494.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1409491743 is about 37543.1983586908. The cubic root of 1409491743 is about 1121.2114185547.

The spelling of 1409491743 in words is "one billion, four hundred nine million, four hundred ninety-one thousand, seven hundred forty-three".