497454980691 has 32 divisors (see below), whose sum is σ = 723879936000. Its totient is φ = 302707527840.

The previous prime is 497454980689. The next prime is 497454980699. The reversal of 497454980691 is 196089454794.

497454980691 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 497454980691 - 2¹ = 497454980689 is a prime.

It is a super-2 number, since 2×497454980691² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497454980699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218991 + ... + 1021208.

It is an arithmetic number, because the mean of its divisors is an integer number (22621248000).

Almost surely, 2^497454980691 is an apocalyptic number.

497454980691 is a deficient number, since it is larger than the sum of its proper divisors (226424955309).

497454980691 is a wasteful number, since it uses less digits than its factorization.

497454980691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240479.

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 497454980691 in words is "four hundred ninety-seven billion, four hundred fifty-four million, nine hundred eighty thousand, six hundred ninety-one".