1406331798817 has 8 divisors (see below), whose sum is σ = 1543951994112. Its totient is φ = 1270340245200.

The previous prime is 1406331798803. The next prime is 1406331798857. The reversal of 1406331798817 is 7188971336041.

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 1406331798817 - 2¹¹ = 1406331796769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406331798857) 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, 407158609 + ... + 407162062.

It is an arithmetic number, because the mean of its divisors is an integer number (192993999264).

Almost surely, 2^{1406331798817} is an apocalyptic number.

It is an amenable number.

1406331798817 is a deficient number, since it is larger than the sum of its proper divisors (137620195295).

1406331798817 is a wasteful number, since it uses less digits than its factorization.

1406331798817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814320839.

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 1406331798817 in words is "one trillion, four hundred six billion, three hundred thirty-one million, seven hundred ninety-eight thousand, eight hundred seventeen".