497420078480639 has 8 divisors (see below), whose sum is σ = 497787875956800. Its totient is φ = 497052396474400.

The previous prime is 497420078480587. The next prime is 497420078480803. The reversal of 497420078480639 is 936084870024794.

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 497420078480639 - 2¹⁶ = 497420078415103 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 (497420078480939) 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, 20247767 + ... + 37480824.

It is an arithmetic number, because the mean of its divisors is an integer number (62223484494600).

Almost surely, 2^{497420078480639} is an apocalyptic number.

497420078480639 is a deficient number, since it is larger than the sum of its proper divisors (367797476161).

497420078480639 is a wasteful number, since it uses less digits than its factorization.

497420078480639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57734961.

The product of its (nonzero) digits is 585252864, while the sum is 71.

The spelling of 497420078480639 in words is "four hundred ninety-seven trillion, four hundred twenty billion, seventy-eight million, four hundred eighty thousand, six hundred thirty-nine".