1630676453 has 8 divisors (see below), whose sum is σ = 1864429440. Its totient is φ = 1397123280.

The previous prime is 1630676449. The next prime is 1630676459. The reversal of 1630676453 is 3546760361.

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

It is not a de Polignac number, because 1630676453 - 2² = 1630676449 is a prime.

It is a super-2 number, since 2×1630676453² = 5318211388737322418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630676453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630676459) 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, 32033 + ... + 65478.

It is an arithmetic number, because the mean of its divisors is an integer number (233053680).

Almost surely, 2^1630676453 is an apocalyptic number.

It is an amenable number.

1630676453 is a deficient number, since it is larger than the sum of its proper divisors (233752987).

1630676453 is an equidigital number, since it uses as much as digits as its factorization.

1630676453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99907.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 1630676453 is about 40381.6350956719. The cubic root of 1630676453 is about 1177.0347007217.

The spelling of 1630676453 in words is "one billion, six hundred thirty million, six hundred seventy-six thousand, four hundred fifty-three".