406018745497 has 8 divisors (see below), whose sum is σ = 419258147840. Its totient is φ = 392788219680.

The previous prime is 406018745467. The next prime is 406018745507. The reversal of 406018745497 is 794547810604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406018745497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406018745467) 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, 2126097 + ... + 2309182.

It is an arithmetic number, because the mean of its divisors is an integer number (52407268480).

Almost surely, 2^406018745497 is an apocalyptic number.

It is an amenable number.

406018745497 is a deficient number, since it is larger than the sum of its proper divisors (13239402343).

406018745497 is a wasteful number, since it uses less digits than its factorization.

406018745497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438263.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 406018745497 in words is "four hundred six billion, eighteen million, seven hundred forty-five thousand, four hundred ninety-seven".