7435540043 has 2 divisors, whose sum is σ = 7435540044. Its totient is φ = 7435540042.

The previous prime is 7435540001. The next prime is 7435540069. The reversal of 7435540043 is 3400455347.

It is a strong prime.

It is an emirp because it is prime and its reverse (3400455347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7435540043 - 2²² = 7431345739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7435539985 and 7435540012.

It is not a weakly prime, because it can be changed into another prime (7435540093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717770021 + 3717770022.

It is an arithmetic number, because the mean of its divisors is an integer number (3717770022).

Almost surely, 2^7435540043 is an apocalyptic number.

7435540043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7435540043 is an equidigital number, since it uses as much as digits as its factorization.

7435540043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 7435540043 is about 86229.5775415837. The cubic root of 7435540043 is about 1951.8098509790.

The spelling of 7435540043 in words is "seven billion, four hundred thirty-five million, five hundred forty thousand, forty-three".