7250505249668 has 12 divisors (see below), whose sum is σ = 13434759727452. Its totient is φ = 3412002470400.

The previous prime is 7250505249661. The next prime is 7250505249703. The reversal of 7250505249668 is 8669425050527.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4559796495424 + 2690708754244 = 2135368^2 + 1640338^2 .

It is a super-2 number, since 2×7250505249668² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7250505249661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53312538533 + ... + 53312538668.

It is an arithmetic number, because the mean of its divisors is an integer number (1119563310621).

Almost surely, 2^{7250505249668} is an apocalyptic number.

It is an amenable number.

7250505249668 is a deficient number, since it is larger than the sum of its proper divisors (6184254477784).

7250505249668 is a wasteful number, since it uses less digits than its factorization.

7250505249668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106625077222 (or 106625077220 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 7250505249668 in words is "seven trillion, two hundred fifty billion, five hundred five million, two hundred forty-nine thousand, six hundred sixty-eight".