463895493 has 4 divisors (see below), whose sum is σ = 618527328. Its totient is φ = 309263660.

The previous prime is 463895491. The next prime is 463895503. The reversal of 463895493 is 394598364.

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 not a de Polignac number, because 463895493 - 2¹ = 463895491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463895491) 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, 77315913 + ... + 77315918.

It is an arithmetic number, because the mean of its divisors is an integer number (154631832).

Almost surely, 2^463895493 is an apocalyptic number.

It is an amenable number.

463895493 is a deficient number, since it is larger than the sum of its proper divisors (154631835).

463895493 is a wasteful number, since it uses less digits than its factorization.

463895493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154631834.

The product of its digits is 2799360, while the sum is 51.

The square root of 463895493 is about 21538.2332840927. The cubic root of 463895493 is about 774.1172011026.

The spelling of 463895493 in words is "four hundred sixty-three million, eight hundred ninety-five thousand, four hundred ninety-three".