5436454121 has 4 divisors (see below), whose sum is σ = 6213090432. Its totient is φ = 4659817812.

The previous prime is 5436454043. The next prime is 5436454147. The reversal of 5436454121 is 1214546345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5436454121 - 2¹⁸ = 5436191977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5436454151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388318145 + ... + 388318158.

It is an arithmetic number, because the mean of its divisors is an integer number (1553272608).

Almost surely, 2^5436454121 is an apocalyptic number.

It is an amenable number.

5436454121 is a deficient number, since it is larger than the sum of its proper divisors (776636311).

5436454121 is an equidigital number, since it uses as much as digits as its factorization.

5436454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776636310.

The product of its digits is 57600, while the sum is 35.

The square root of 5436454121 is about 73732.3139539239. The cubic root of 5436454121 is about 1758.3496626222.

The spelling of 5436454121 in words is "five billion, four hundred thirty-six million, four hundred fifty-four thousand, one hundred twenty-one".