7641551453 has 2 divisors, whose sum is σ = 7641551454. Its totient is φ = 7641551452.

The previous prime is 7641551443. The next prime is 7641551473. The reversal of 7641551453 is 3541551467.

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., 7590242884 + 51308569 = 87122^2 + 7163^2 .

It is a cyclic number.

It is not a de Polignac number, because 7641551453 - 2⁶ = 7641551389 is a prime.

It is a super-2 number, since 2×7641551453² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7641551453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7641551443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820775726 + 3820775727.

It is an arithmetic number, because the mean of its divisors is an integer number (3820775727).

Almost surely, 2^7641551453 is an apocalyptic number.

It is an amenable number.

7641551453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7641551453 is an equidigital number, since it uses as much as digits as its factorization.

7641551453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 7641551453 is about 87415.9679520853. The cubic root of 7641551453 is about 1969.6717098344.

The spelling of 7641551453 in words is "seven billion, six hundred forty-one million, five hundred fifty-one thousand, four hundred fifty-three".