6469997231500 has 144 divisors (see below), whose sum is σ = 15601525325568. Its totient is φ = 2342171040000.

The previous prime is 6469997231479. The next prime is 6469997231513. The reversal of 6469997231500 is 51327999646.

It is a super-3 number, since 3×6469997231500³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13251720 + ... + 13731280.

It is an arithmetic number, because the mean of its divisors is an integer number (108343925872).

Almost surely, 2^{6469997231500} 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 6469997231500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7800762662784).

6469997231500 is an abundant number, since it is smaller than the sum of its proper divisors (9131528094068).

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

6469997231500 is a wasteful number, since it uses less digits than its factorization.

6469997231500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479825 (or 479802 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 6469997231500 in words is "six trillion, four hundred sixty-nine billion, nine hundred ninety-seven million, two hundred thirty-one thousand, five hundred".