1630532463 has 8 divisors (see below), whose sum is σ = 2484620928. Its totient is φ = 931732824.

The previous prime is 1630532419. The next prime is 1630532551. The reversal of 1630532463 is 3642350361.

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

It is not a de Polignac number, because 1630532463 - 2⁸ = 1630532207 is a prime.

It is a super-2 number, since 2×1630532463² = 5317272225793692738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630532263) 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, 38822181 + ... + 38822222.

It is an arithmetic number, because the mean of its divisors is an integer number (310577616).

Almost surely, 2^1630532463 is an apocalyptic number.

1630532463 is a deficient number, since it is larger than the sum of its proper divisors (854088465).

1630532463 is an equidigital number, since it uses as much as digits as its factorization.

1630532463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77644413.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1630532463 is about 40379.8521914085. The cubic root of 1630532463 is about 1177.0000553418. Note that the first 4 decimals are identical.

The spelling of 1630532463 in words is "one billion, six hundred thirty million, five hundred thirty-two thousand, four hundred sixty-three".