7238289825649 has 9 divisors (see below), whose sum is σ = 7247748182283. Its totient is φ = 7228843806672.

The previous prime is 7238289825629. The next prime is 7238289825653. The reversal of 7238289825649 is 9465289828327.

The square root of 7238289825649 is 2690407.

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., 614666976049 + 6623622849600 = 784007^2 + 2573640^2 .

It is not a de Polignac number, because 7238289825649 - 2¹¹ = 7238289823601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7238289825629) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3037468312 + ... + 3037470694.

It is an arithmetic number, because the mean of its divisors is an integer number (805305353587).

Almost surely, 2^{7238289825649} is an apocalyptic number.

7238289825649 is the 2690407-th square number.

7238289825649 is the 1345204-th centered octagonal number.

It is an amenable number.

7238289825649 is a deficient number, since it is larger than the sum of its proper divisors (9458356634).

7238289825649 is an frugal number, since it uses more digits than its factorization.

7238289825649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024 (or 3512 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 73.

The spelling of 7238289825649 in words is "seven trillion, two hundred thirty-eight billion, two hundred eighty-nine million, eight hundred twenty-five thousand, six hundred forty-nine".