1632472993 has 2 divisors, whose sum is σ = 1632472994. Its totient is φ = 1632472992.

The previous prime is 1632472979. The next prime is 1632473021. The reversal of 1632472993 is 3992742361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1541975824 + 90497169 = 39268^2 + 9513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1632472993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1632472903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816236496 + 816236497.

It is an arithmetic number, because the mean of its divisors is an integer number (816236497).

Almost surely, 2^1632472993 is an apocalyptic number.

It is an amenable number.

1632472993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632472993 is an equidigital number, since it uses as much as digits as its factorization.

1632472993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 1632472993 is about 40403.8734900504. The cubic root of 1632472993 is about 1177.4667941706.

The spelling of 1632472993 in words is "one billion, six hundred thirty-two million, four hundred seventy-two thousand, nine hundred ninety-three".