7507452649 has 2 divisors, whose sum is σ = 7507452650. Its totient is φ = 7507452648.

The previous prime is 7507452629. The next prime is 7507452677. The reversal of 7507452649 is 9462547057.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5872463424 + 1634989225 = 76632^2 + 40435^2 .

It is a cyclic number.

It is not a de Polignac number, because 7507452649 - 2⁷ = 7507452521 is a prime.

It is not a weakly prime, because it can be changed into another prime (7507452629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753726324 + 3753726325.

It is an arithmetic number, because the mean of its divisors is an integer number (3753726325).

Almost surely, 2^7507452649 is an apocalyptic number.

It is an amenable number.

7507452649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7507452649 is an equidigital number, since it uses as much as digits as its factorization.

7507452649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 7507452649 is about 86645.5575837561. The cubic root of 7507452649 is about 1958.0819644903.

The spelling of 7507452649 in words is "seven billion, five hundred seven million, four hundred fifty-two thousand, six hundred forty-nine".