1406312165441 has 4 divisors (see below), whose sum is σ = 1406371305300. Its totient is φ = 1406253025584.

The previous prime is 1406312165429. The next prime is 1406312165501. The reversal of 1406312165441 is 1445612136041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 813250454416 + 593061711025 = 901804^2 + 770105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406312165441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406312165395 and 1406312165404.

It is not an unprimeable number, because it can be changed into a prime (1406312165641) 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, 29534246 + ... + 29581823.

It is an arithmetic number, because the mean of its divisors is an integer number (351592826325).

Almost surely, 2^{1406312165441} is an apocalyptic number.

It is an amenable number.

1406312165441 is a deficient number, since it is larger than the sum of its proper divisors (59139859).

1406312165441 is an equidigital number, since it uses as much as digits as its factorization.

1406312165441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59139858.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1406312165441 in words is "one trillion, four hundred six billion, three hundred twelve million, one hundred sixty-five thousand, four hundred forty-one".