463505137344553 has 4 divisors (see below), whose sum is σ = 474284326585168. Its totient is φ = 452725948103940.

The previous prime is 463505137344533. The next prime is 463505137344611. The reversal of 463505137344553 is 355443731505364.

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 a de Polignac number, because none of the positive numbers 2^k-463505137344553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463505137344533) 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, 5389594620243 + ... + 5389594620328.

It is an arithmetic number, because the mean of its divisors is an integer number (118571081646292).

Almost surely, 2^{463505137344553} is an apocalyptic number.

463505137344553 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

463505137344553 is a deficient number, since it is larger than the sum of its proper divisors (10779189240615).

463505137344553 is a wasteful number, since it uses less digits than its factorization.

463505137344553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10779189240614.

The product of its (nonzero) digits is 136080000, while the sum is 58.

The spelling of 463505137344553 in words is "four hundred sixty-three trillion, five hundred five billion, one hundred thirty-seven million, three hundred forty-four thousand, five hundred fifty-three".