3497423339520 has 1190 divisors, whose sum is σ = 13843272067890. Its totient is φ = 847860203520.

The previous prime is 3497423339497. The next prime is 3497423339561. The reversal of 3497423339520 is 259333247943.

3497423339520 is a `hidden beast` number, since 3 + 4 + 97 + 4 + 23 + 3 + 3 + 9 + 520 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2797938671616 + 699484667904 = 1672704^2 + 836352^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 317947576315 + ... + 317947576325.

Almost surely, 2^{3497423339520} is an apocalyptic number.

3497423339520 is a gapful number since it is divisible by the number (30) 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 3497423339520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6921636033945).

3497423339520 is an abundant number, since it is smaller than the sum of its proper divisors (10345848728370).

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

3497423339520 is an frugal number, since it uses more digits than its factorization.

3497423339520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 54.

The spelling of 3497423339520 in words is "three trillion, four hundred ninety-seven billion, four hundred twenty-three million, three hundred thirty-nine thousand, five hundred twenty".