7500064249 has 2 divisors, whose sum is σ = 7500064250. Its totient is φ = 7500064248.

The previous prime is 7500064217. The next prime is 7500064259. The reversal of 7500064249 is 9424600057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7446481849 + 53582400 = 86293^2 + 7320^2 .

It is an emirp because it is prime and its reverse (9424600057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7500064249 - 2⁵ = 7500064217 is a prime.

It is not a weakly prime, because it can be changed into another prime (7500064259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750032124 + 3750032125.

It is an arithmetic number, because the mean of its divisors is an integer number (3750032125).

Almost surely, 2^7500064249 is an apocalyptic number.

It is an amenable number.

7500064249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7500064249 is an equidigital number, since it uses as much as digits as its factorization.

7500064249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 7500064249 is about 86602.9113194239. The cubic root of 7500064249 is about 1957.4394100425.

The spelling of 7500064249 in words is "seven billion, five hundred million, sixty-four thousand, two hundred forty-nine".