63005400671 has 4 divisors (see below), whose sum is σ = 63006892992. Its totient is φ = 63003908352.

The previous prime is 63005400631. The next prime is 63005400683. The reversal of 63005400671 is 17600450036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63005400671 - 2¹⁰ = 63005399647 is a prime.

It is a super-3 number, since 3×63005400671³ (a number of 33 digits) contains 333 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 (63005400631) 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, 680930 + ... + 767903.

It is an arithmetic number, because the mean of its divisors is an integer number (15751723248).

Almost surely, 2^63005400671 is an apocalyptic number.

63005400671 is a deficient number, since it is larger than the sum of its proper divisors (1492321).

63005400671 is a wasteful number, since it uses less digits than its factorization.

63005400671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492320.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 63005400671 in words is "sixty-three billion, five million, four hundred thousand, six hundred seventy-one".