1641023353 has 2 divisors, whose sum is σ = 1641023354. Its totient is φ = 1641023352.

The previous prime is 1641023339. The next prime is 1641023357. The reversal of 1641023353 is 3533201461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1333126144 + 307897209 = 36512^2 + 17547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641023353 - 2⁹ = 1641022841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1641023357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820511676 + 820511677.

It is an arithmetic number, because the mean of its divisors is an integer number (820511677).

Almost surely, 2^1641023353 is an apocalyptic number.

It is an amenable number.

1641023353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641023353 is an equidigital number, since it uses as much as digits as its factorization.

1641023353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1641023353 is about 40509.5464427831. The cubic root of 1641023353 is about 1179.5189442458.

The spelling of 1641023353 in words is "one billion, six hundred forty-one million, twenty-three thousand, three hundred fifty-three".