463974858649 has 9 divisors (see below), whose sum is σ = 465106286421. Its totient is φ = 462846181500.

The previous prime is 463974858617. The next prime is 463974858667. The reversal of 463974858649 is 946858479364.

The square root of 463974858649 is 681157.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 463974858649 - 2⁵ = 463974858617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463974858679) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 511548454 + ... + 511549360.

It is an arithmetic number, because the mean of its divisors is an integer number (51678476269).

Almost surely, 2^463974858649 is an apocalyptic number.

463974858649 is the 681157-th square number.

463974858649 is the 340579-th centered octagonal number.

It is an amenable number.

463974858649 is a deficient number, since it is larger than the sum of its proper divisors (1131427772).

463974858649 is an frugal number, since it uses more digits than its factorization.

463974858649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 1658 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 73.

The spelling of 463974858649 in words is "four hundred sixty-three billion, nine hundred seventy-four million, eight hundred fifty-eight thousand, six hundred forty-nine".