1454421653 has 4 divisors (see below), whose sum is σ = 1465873920. Its totient is φ = 1442969388.

The previous prime is 1454421623. The next prime is 1454421691. The reversal of 1454421653 is 3561244541.

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 1454421653 - 2¹⁰ = 1454420629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454421623) 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, 5725943 + ... + 5726196.

It is an arithmetic number, because the mean of its divisors is an integer number (366468480).

Almost surely, 2^1454421653 is an apocalyptic number.

It is an amenable number.

1454421653 is a deficient number, since it is larger than the sum of its proper divisors (11452267).

1454421653 is a wasteful number, since it uses less digits than its factorization.

1454421653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11452266.

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

The square root of 1454421653 is about 38136.8804833327. The cubic root of 1454421653 is about 1133.0005234910. Note that the first 3 decimals are identical.

The spelling of 1454421653 in words is "one billion, four hundred fifty-four million, four hundred twenty-one thousand, six hundred fifty-three".