497454980690 has 16 divisors (see below), whose sum is σ = 895471061760. Its totient is φ = 198970415280.

The previous prime is 497454980689. The next prime is 497454980699. The reversal of 497454980690 is 96089454794.

It is a super-2 number, since 2×497454980690² (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265570 + ... + 1611389.

It is an arithmetic number, because the mean of its divisors is an integer number (55966941360).

Almost surely, 2^497454980690 is an apocalyptic number.

497454980690 is a deficient number, since it is larger than the sum of its proper divisors (398016081070).

497454980690 is a wasteful number, since it uses less digits than its factorization.

497454980690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894257.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 497454980690 in words is "four hundred ninety-seven billion, four hundred fifty-four million, nine hundred eighty thousand, six hundred ninety".