2153442407 has 2 divisors, whose sum is σ = 2153442408. Its totient is φ = 2153442406.

The previous prime is 2153442391. The next prime is 2153442427. The reversal of 2153442407 is 7042443512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153442407 - 2⁴ = 2153442391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153442427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076721203 + 1076721204.

It is an arithmetic number, because the mean of its divisors is an integer number (1076721204).

Almost surely, 2^2153442407 is an apocalyptic number.

2153442407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153442407 is an equidigital number, since it uses as much as digits as its factorization.

2153442407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2153442407 is about 46405.1980601312. The cubic root of 2153442407 is about 1291.3513485486.

Adding to 2153442407 its reverse (7042443512), we get a palindrome (9195885919).

The spelling of 2153442407 in words is "two billion, one hundred fifty-three million, four hundred forty-two thousand, four hundred seven".