406052343649 has 8 divisors (see below), whose sum is σ = 415636404480. Its totient is φ = 396507643296.

The previous prime is 406052343559. The next prime is 406052343727. The reversal of 406052343649 is 946343250604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406052343649 - 2²⁵ = 406018789217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406052343599 and 406052343608.

It is not an unprimeable number, because it can be changed into a prime (406052349649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9819244 + ... + 9860509.

It is an arithmetic number, because the mean of its divisors is an integer number (51954550560).

Almost surely, 2^406052343649 is an apocalyptic number.

It is an amenable number.

406052343649 is a deficient number, since it is larger than the sum of its proper divisors (9584060831).

406052343649 is a wasteful number, since it uses less digits than its factorization.

406052343649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19680239.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 406052343649 in words is "four hundred six billion, fifty-two million, three hundred forty-three thousand, six hundred forty-nine".