1409705197 has 4 divisors (see below), whose sum is σ = 1413768096. Its totient is φ = 1405642300.

The previous prime is 1409705189. The next prime is 1409705239. The reversal of 1409705197 is 7915079041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7915079041 = 97 ⋅81598753.

It is a cyclic number.

It is not a de Polignac number, because 1409705197 - 2³ = 1409705189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409705107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030929 + ... + 2031622.

It is an arithmetic number, because the mean of its divisors is an integer number (353442024).

Almost surely, 2^1409705197 is an apocalyptic number.

It is an amenable number.

1409705197 is a deficient number, since it is larger than the sum of its proper divisors (4062899).

1409705197 is an equidigital number, since it uses as much as digits as its factorization.

1409705197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062898.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 1409705197 is about 37546.0410296479. The cubic root of 1409705197 is about 1121.2680146014.

The spelling of 1409705197 in words is "one billion, four hundred nine million, seven hundred five thousand, one hundred ninety-seven".