7543428733 has 2 divisors, whose sum is σ = 7543428734. Its totient is φ = 7543428732.

The previous prime is 7543428731. The next prime is 7543428797. The reversal of 7543428733 is 3378243457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7173751204 + 369677529 = 84698^2 + 19227^2 .

It is a cyclic number.

It is not a de Polignac number, because 7543428733 - 2¹ = 7543428731 is a prime.

Together with 7543428731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7543428731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771714366 + 3771714367.

It is an arithmetic number, because the mean of its divisors is an integer number (3771714367).

Almost surely, 2^7543428733 is an apocalyptic number.

It is an amenable number.

7543428733 is a deficient number, since it is larger than the sum of its proper divisors (1).

7543428733 is an equidigital number, since it uses as much as digits as its factorization.

7543428733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 46.

The square root of 7543428733 is about 86852.9143610046. The cubic root of 7543428733 is about 1961.2047234887.

The spelling of 7543428733 in words is "seven billion, five hundred forty-three million, four hundred twenty-eight thousand, seven hundred thirty-three".