4721512453 has 6 divisors (see below), whose sum is σ = 5492371686. Its totient is φ = 4047010632.

The previous prime is 4721512451. The next prime is 4721512463. The reversal of 4721512453 is 3542151274.

It can be written as a sum of positive squares in only one way, i.e., 4284618849 + 436893604 = 65457^2 + 20902^2 .

It is not a de Polignac number, because 4721512453 - 2¹ = 4721512451 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 (4721512451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48178650 + ... + 48178747.

It is an arithmetic number, because the mean of its divisors is an integer number (915395281).

Almost surely, 2^4721512453 is an apocalyptic number.

It is an amenable number.

4721512453 is a deficient number, since it is larger than the sum of its proper divisors (770859233).

4721512453 is an equidigital number, since it uses as much as digits as its factorization.

4721512453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96357411 (or 96357404 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 4721512453 is about 68713.2625698999. The cubic root of 4721512453 is about 1677.6204564492.

The spelling of 4721512453 in words is "four billion, seven hundred twenty-one million, five hundred twelve thousand, four hundred fifty-three".