7487474453 has 2 divisors, whose sum is σ = 7487474454. Its totient is φ = 7487474452.

The previous prime is 7487474443. The next prime is 7487474461. The reversal of 7487474453 is 3544747847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4835533444 + 2651941009 = 69538^2 + 51497^2 .

It is an emirp because it is prime and its reverse (3544747847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7487474453 - 2¹⁶ = 7487408917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7487474395 and 7487474404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7487474443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743737226 + 3743737227.

It is an arithmetic number, because the mean of its divisors is an integer number (3743737227).

Almost surely, 2^7487474453 is an apocalyptic number.

It is an amenable number.

7487474453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487474453 is an equidigital number, since it uses as much as digits as its factorization.

7487474453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10536960, while the sum is 53.

The square root of 7487474453 is about 86530.1938805178. The cubic root of 7487474453 is about 1956.3435276552.

The spelling of 7487474453 in words is "seven billion, four hundred eighty-seven million, four hundred seventy-four thousand, four hundred fifty-three".