7364557489 has 3 divisors (see below), whose sum is σ = 7364643307. Its totient is φ = 7364471672.

The previous prime is 7364557433. The next prime is 7364557517. The reversal of 7364557489 is 9847554637.

The square root of 7364557489 is 85817.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3469799025 + 3894758464 = 58905^2 + 62408^2 .

It is not a de Polignac number, because 7364557489 - 2²¹ = 7362460337 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7364557429) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 42909 + ... + 128725.

Almost surely, 2^7364557489 is an apocalyptic number.

7364557489 is the 85817-th square number.

7364557489 is the 42909-th centered octagonal number.

It is an amenable number.

7364557489 is a deficient number, since it is larger than the sum of its proper divisors (85818).

7364557489 is an frugal number, since it uses more digits than its factorization.

7364557489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171634 (or 85817 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The cubic root of 7364557489 is about 1945.5790698539.

It can be divided in two parts, 736 and 4557489, that added together give a square (4558225 = 2135²).

The spelling of 7364557489 in words is "seven billion, three hundred sixty-four million, five hundred fifty-seven thousand, four hundred eighty-nine".