5453667421 has 4 divisors (see below), whose sum is σ = 5453838432. Its totient is φ = 5453496412.

The previous prime is 5453667409. The next prime is 5453667437. The reversal of 5453667421 is 1247663545.

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 5453667421 - 2¹⁷ = 5453536349 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 (5453667491) 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, 21895 + ... + 106708.

It is an arithmetic number, because the mean of its divisors is an integer number (1363459608).

Almost surely, 2^5453667421 is an apocalyptic number.

It is an amenable number.

5453667421 is a deficient number, since it is larger than the sum of its proper divisors (171011).

5453667421 is a wasteful number, since it uses less digits than its factorization.

5453667421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171010.

The product of its digits is 604800, while the sum is 43.

The square root of 5453667421 is about 73848.9500331589. The cubic root of 5453667421 is about 1760.2035126450.

The spelling of 5453667421 in words is "five billion, four hundred fifty-three million, six hundred sixty-seven thousand, four hundred twenty-one".