5432539921 has 2 divisors, whose sum is σ = 5432539922. Its totient is φ = 5432539920.

The previous prime is 5432539859. The next prime is 5432539939. The reversal of 5432539921 is 1299352345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5432427025 + 112896 = 73705^2 + 336^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432539921 - 2¹⁵ = 5432507153 is a prime.

It is not a weakly prime, because it can be changed into another prime (5432539421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716269960 + 2716269961.

It is an arithmetic number, because the mean of its divisors is an integer number (2716269961).

Almost surely, 2^5432539921 is an apocalyptic number.

It is an amenable number.

5432539921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5432539921 is an equidigital number, since it uses as much as digits as its factorization.

5432539921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 5432539921 is about 73705.7658599380. The cubic root of 5432539921 is about 1757.9275624478.

The spelling of 5432539921 in words is "five billion, four hundred thirty-two million, five hundred thirty-nine thousand, nine hundred twenty-one".