7268658642025 has 27 divisors (see below), whose sum is σ = 9907203623863. Its totient is φ = 5286189352400.

The previous prime is 7268658642019. The next prime is 7268658642061. The reversal of 7268658642025 is 5202468568627.

The square root of 7268658642025 is 2696045.

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

It can be written as a sum of positive squares in only one way, i.e., 2616717111129 + 4651941530896 = 1617627^2 + 2156836^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7268658642025 is a prime.

It is a super-2 number, since 2×7268658642025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 148257966 + ... + 148306984.

Almost surely, 2^{7268658642025} is an apocalyptic number.

7268658642025 is the 2696045-th square number.

7268658642025 is the 1348023-rd centered octagonal number.

It is an amenable number.

7268658642025 is a deficient number, since it is larger than the sum of its proper divisors (2638544981838).

7268658642025 is an frugal number, since it uses more digits than its factorization.

7268658642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98070 (or 49035 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 61.

The spelling of 7268658642025 in words is "seven trillion, two hundred sixty-eight billion, six hundred fifty-eight million, six hundred forty-two thousand, twenty-five".