497121909161472 has 2160 divisors, whose sum is σ = 1823296897998576. Its totient is φ = 134775373824000.

The previous prime is 497121909161461. The next prime is 497121909161497. The reversal of 497121909161472 is 274161909121794.

497121909161472 is a `hidden beast` number, since 4 + 9 + 7 + 1 + 2 + 1 + 9 + 0 + 9 + 1 + 614 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 310507125472 + ... + 310507127072.

Almost surely, 2^{497121909161472} is an apocalyptic number.

497121909161472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497121909161472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911648448999288).

497121909161472 is an abundant number, since it is smaller than the sum of its proper divisors (1326174988837104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497121909161472 is an equidigital number, since it uses as much as digits as its factorization.

497121909161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 497121909161472 in words is "four hundred ninety-seven trillion, one hundred twenty-one billion, nine hundred nine million, one hundred sixty-one thousand, four hundred seventy-two".