497447391744 has 320 divisors, whose sum is σ = 1542160224000. Its totient is φ = 160087560192.

The previous prime is 497447391547. The next prime is 497447391757. The reversal of 497447391744 is 447193744794.

497447391744 is a `hidden beast` number, since 4 + 9 + 7 + 4 + 473 + 91 + 74 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32464917 + ... + 32480235.

It is an arithmetic number, because the mean of its divisors is an integer number (4819250700).

Almost surely, 2^497447391744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497447391744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771080112000).

497447391744 is an abundant number, since it is smaller than the sum of its proper divisors (1044712832256).

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

497447391744 is an frugal number, since it uses more digits than its factorization.

497447391744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387 (or 15353 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 63.

The spelling of 497447391744 in words is "four hundred ninety-seven billion, four hundred forty-seven million, three hundred ninety-one thousand, seven hundred forty-four".