2604221453 has 8 divisors (see below), whose sum is σ = 2742525120. Its totient is φ = 2466041760.

The previous prime is 2604221447. The next prime is 2604221461. The reversal of 2604221453 is 3541224062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2604221453 - 2²² = 2600027149 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 (2604221423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13808 + ... + 73478.

It is an arithmetic number, because the mean of its divisors is an integer number (342815640).

Almost surely, 2^2604221453 is an apocalyptic number.

It is an amenable number.

2604221453 is a deficient number, since it is larger than the sum of its proper divisors (138303667).

2604221453 is a wasteful number, since it uses less digits than its factorization.

2604221453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61987.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2604221453 is about 51031.5730994058. The cubic root of 2604221453 is about 1375.8126683311.

The spelling of 2604221453 in words is "two billion, six hundred four million, two hundred twenty-one thousand, four hundred fifty-three".