463388942981 has 8 divisors (see below), whose sum is σ = 495329857344. Its totient is φ = 432430826080.

The previous prime is 463388942963. The next prime is 463388942983. The reversal of 463388942981 is 189249883364.

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 463388942981 - 2³⁰ = 462315201157 is a prime.

It is a super-2 number, since 2×463388942981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463388942983) 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, 245698391 + ... + 245700276.

It is an arithmetic number, because the mean of its divisors is an integer number (61916232168).

Almost surely, 2^463388942981 is an apocalyptic number.

463388942981 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

463388942981 is a deficient number, since it is larger than the sum of its proper divisors (31940914363).

463388942981 is a wasteful number, since it uses less digits than its factorization.

463388942981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491398731.

The product of its digits is 71663616, while the sum is 65.

The spelling of 463388942981 in words is "four hundred sixty-three billion, three hundred eighty-eight million, nine hundred forty-two thousand, nine hundred eighty-one".