497698022329561 has 8 divisors (see below), whose sum is σ = 501028228493504. Its totient is φ = 494368266070800.

The previous prime is 497698022329483. The next prime is 497698022329583. The reversal of 497698022329561 is 165923220896794.

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 497698022329561 - 2³¹ = 497695874845913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497698022329861) 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, 110256291 + ... + 114681496.

It is an arithmetic number, because the mean of its divisors is an integer number (62628528561688).

It is a 1-persistent number, because it is pandigital, but 2⋅497698022329561 = 995396044659122 is not.

Almost surely, 2^{497698022329561} is an apocalyptic number.

It is an amenable number.

497698022329561 is a deficient number, since it is larger than the sum of its proper divisors (3330206163943).

497698022329561 is a wasteful number, since it uses less digits than its factorization.

497698022329561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224952591.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 497698022329561 in words is "four hundred ninety-seven trillion, six hundred ninety-eight billion, twenty-two million, three hundred twenty-nine thousand, five hundred sixty-one".