1461634441 has 4 divisors (see below), whose sum is σ = 1465846992. Its totient is φ = 1457421892.

The previous prime is 1461634411. The next prime is 1461634453. The reversal of 1461634441 is 1444361641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461634441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1461634397 and 1461634406.

It is not an unprimeable number, because it can be changed into a prime (1461634411) 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, 2105755 + ... + 2106448.

It is an arithmetic number, because the mean of its divisors is an integer number (366461748).

Almost surely, 2^1461634441 is an apocalyptic number.

It is an amenable number.

1461634441 is a deficient number, since it is larger than the sum of its proper divisors (4212551).

1461634441 is an equidigital number, since it uses as much as digits as its factorization.

1461634441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212550.

The product of its digits is 27648, while the sum is 34.

The square root of 1461634441 is about 38231.3280046613. The cubic root of 1461634441 is about 1134.8703665332.

The spelling of 1461634441 in words is "one billion, four hundred sixty-one million, six hundred thirty-four thousand, four hundred forty-one".