3517969140625 has 27 divisors (see below), whose sum is σ = 4398924993843. Its totient is φ = 2813437500000.

The previous prime is 3517969140611. The next prime is 3517969140683. The reversal of 3517969140625 is 5260419697153.

The square root of 3517969140625 is 1875625.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 225137913169 + 3292831227456 = 474487^2 + 1814616^2 .

It is not a de Polignac number, because 3517969140625 - 2¹⁷ = 3517969009553 is a prime.

It is a super-2 number, since 2×3517969140625² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3517969140625.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1172264125 + ... + 1172267125.

Almost surely, 2^{3517969140625} is an apocalyptic number.

3517969140625 is the 1875625-th square number.

3517969140625 is the 937813-rd centered octagonal number.

It is an amenable number.

3517969140625 is a deficient number, since it is larger than the sum of its proper divisors (880955853218).

3517969140625 is an frugal number, since it uses more digits than its factorization.

3517969140625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 3517969140625 in words is "three trillion, five hundred seventeen billion, nine hundred sixty-nine million, one hundred forty thousand, six hundred twenty-five".