5432121797 has 4 divisors (see below), whose sum is σ = 5521173036. Its totient is φ = 5343070560.

The previous prime is 5432121787. The next prime is 5432121823. The reversal of 5432121797 is 7971212345.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2895085636 + 2537036161 = 53806^2 + 50369^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432121797 - 2⁶ = 5432121733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5432121767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44525528 + ... + 44525649.

It is an arithmetic number, because the mean of its divisors is an integer number (1380293259).

Almost surely, 2^5432121797 is an apocalyptic number.

It is an amenable number.

5432121797 is a deficient number, since it is larger than the sum of its proper divisors (89051239).

5432121797 is an equidigital number, since it uses as much as digits as its factorization.

5432121797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89051238.

The product of its digits is 105840, while the sum is 41.

The square root of 5432121797 is about 73702.9293651209. The cubic root of 5432121797 is about 1757.8824607352.

The spelling of 5432121797 in words is "five billion, four hundred thirty-two million, one hundred twenty-one thousand, seven hundred ninety-seven".