497378428923 has 8 divisors (see below), whose sum is σ = 664591307328. Its totient is φ = 330875584904.

The previous prime is 497378428891. The next prime is 497378428933. The reversal of 497378428923 is 329824873794.

It is a happy number.

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 497378428923 - 2⁵ = 497378428891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497378428933) 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, 177506961 + ... + 177509762.

It is an arithmetic number, because the mean of its divisors is an integer number (83073913416).

Almost surely, 2^497378428923 is an apocalyptic number.

497378428923 is a deficient number, since it is larger than the sum of its proper divisors (167212878405).

497378428923 is a wasteful number, since it uses less digits than its factorization.

497378428923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355017193.

The product of its digits is 146313216, while the sum is 66.

The spelling of 497378428923 in words is "four hundred ninety-seven billion, three hundred seventy-eight million, four hundred twenty-eight thousand, nine hundred twenty-three".