1632875149 has 4 divisors (see below), whose sum is σ = 1641335836. Its totient is φ = 1624414464.

The previous prime is 1632875129. The next prime is 1632875159. The reversal of 1632875149 is 9415782361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9415782361 = 6389 ⋅1473749.

It can be written as a sum of positive squares in 2 ways, for example, as 462551049 + 1170324100 = 21507^2 + 34210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632875149 - 2⁹ = 1632874637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1632875099 and 1632875108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632875119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230054 + ... + 4230439.

It is an arithmetic number, because the mean of its divisors is an integer number (410333959).

Almost surely, 2^1632875149 is an apocalyptic number.

It is an amenable number.

1632875149 is a deficient number, since it is larger than the sum of its proper divisors (8460687).

1632875149 is an equidigital number, since it uses as much as digits as its factorization.

1632875149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460686.

The product of its digits is 362880, while the sum is 46.

The square root of 1632875149 is about 40408.8498846478. The cubic root of 1632875149 is about 1177.5634749854.

The spelling of 1632875149 in words is "one billion, six hundred thirty-two million, eight hundred seventy-five thousand, one hundred forty-nine".