2153532439 has 2 divisors, whose sum is σ = 2153532440. Its totient is φ = 2153532438.

The previous prime is 2153532427. The next prime is 2153532461. The reversal of 2153532439 is 9342353512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153532439 - 2⁹ = 2153531927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153532398 and 2153532407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153532539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076766219 + 1076766220.

It is an arithmetic number, because the mean of its divisors is an integer number (1076766220).

Almost surely, 2^2153532439 is an apocalyptic number.

2153532439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153532439 is an equidigital number, since it uses as much as digits as its factorization.

2153532439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The square root of 2153532439 is about 46406.1681137325. The cubic root of 2153532439 is about 1291.3693447461.

The spelling of 2153532439 in words is "two billion, one hundred fifty-three million, five hundred thirty-two thousand, four hundred thirty-nine".