50421534663 has 8 divisors (see below), whose sum is σ = 67719433968. Its totient is φ = 33368995904.

The previous prime is 50421534617. The next prime is 50421534679. The reversal of 50421534663 is 36643512405.

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 50421534663 - 2⁶ = 50421534599 is a prime.

It is a super-2 number, since 2×50421534663² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421534263) 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, 61339656 + ... + 61340477.

It is an arithmetic number, because the mean of its divisors is an integer number (8464929246).

Almost surely, 2^50421534663 is an apocalyptic number.

50421534663 is a deficient number, since it is larger than the sum of its proper divisors (17297899305).

50421534663 is a wasteful number, since it uses less digits than its factorization.

50421534663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122680273.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 50421534663 in words is "fifty billion, four hundred twenty-one million, five hundred thirty-four thousand, six hundred sixty-three".