3545640443 has 2 divisors, whose sum is σ = 3545640444. Its totient is φ = 3545640442.

The previous prime is 3545640409. The next prime is 3545640457. The reversal of 3545640443 is 3440465453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3545640443 - 2¹⁸ = 3545378299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3545640397 and 3545640406.

It is not a weakly prime, because it can be changed into another prime (3545640143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772820221 + 1772820222.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820222).

Almost surely, 2^3545640443 is an apocalyptic number.

3545640443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545640443 is an equidigital number, since it uses as much as digits as its factorization.

3545640443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

The square root of 3545640443 is about 59545.2806106412. The cubic root of 3545640443 is about 1524.8655895870.

The spelling of 3545640443 in words is "three billion, five hundred forty-five million, six hundred forty thousand, four hundred forty-three".