1461397693 has 8 divisors (see below), whose sum is σ = 1678563200. Its totient is φ = 1246330800.

The previous prime is 1461397687. The next prime is 1461397703. The reversal of 1461397693 is 3967931641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1461397693 - 2⁵ = 1461397661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461397643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523158 + ... + 525943.

It is an arithmetic number, because the mean of its divisors is an integer number (209820400).

Almost surely, 2^1461397693 is an apocalyptic number.

It is an amenable number.

1461397693 is a deficient number, since it is larger than the sum of its proper divisors (217165507).

1461397693 is a wasteful number, since it uses less digits than its factorization.

1461397693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049307.

The product of its digits is 734832, while the sum is 49.

The square root of 1461397693 is about 38228.2316227157. The cubic root of 1461397693 is about 1134.8090897439.

The spelling of 1461397693 in words is "one billion, four hundred sixty-one million, three hundred ninety-seven thousand, six hundred ninety-three".