7380012649 has 9 divisors (see below), whose sum is σ = 7430786391. Its totient is φ = 7329585240.

The previous prime is 7380012641. The next prime is 7380012671. The reversal of 7380012649 is 9462100837.

The square root of 7380012649 is 85907.

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., 413105625 + 6966907024 = 20325^2 + 83468^2 .

It is not a de Polignac number, because 7380012649 - 2³ = 7380012641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7380012641) 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, 23280639 + ... + 23280955.

Almost surely, 2^7380012649 is an apocalyptic number.

7380012649 is the 85907-th square number.

7380012649 is the 42954-th centered octagonal number.

It is an amenable number.

7380012649 is a deficient number, since it is larger than the sum of its proper divisors (50773742).

7380012649 is an frugal number, since it uses more digits than its factorization.

7380012649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The cubic root of 7380012649 is about 1946.9391074871.

The spelling of 7380012649 in words is "seven billion, three hundred eighty million, twelve thousand, six hundred forty-nine".