1461945793 has 8 divisors (see below), whose sum is σ = 1822685760. Its totient is φ = 1139178480.

The previous prime is 1461945781. The next prime is 1461945839. The reversal of 1461945793 is 3975491641.

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

It is not a de Polignac number, because 1461945793 - 2⁹ = 1461945281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1461945743) 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, 9493078 + ... + 9493231.

It is an arithmetic number, because the mean of its divisors is an integer number (227835720).

Almost surely, 2^1461945793 is an apocalyptic number.

It is an amenable number.

1461945793 is a deficient number, since it is larger than the sum of its proper divisors (360739967).

1461945793 is a wasteful number, since it uses less digits than its factorization.

1461945793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986327.

The product of its digits is 816480, while the sum is 49.

The square root of 1461945793 is about 38235.3997363700. The cubic root of 1461945793 is about 1134.9509427845.

The spelling of 1461945793 in words is "one billion, four hundred sixty-one million, nine hundred forty-five thousand, seven hundred ninety-three".