83421750463 has 4 divisors (see below), whose sum is σ = 83422754368. Its totient is φ = 83420746560.

The previous prime is 83421750449. The next prime is 83421750499. The reversal of 83421750463 is 36405712438.

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 83421750463 - 2³³ = 74831815871 is a prime.

It is a super-2 number, since 2×83421750463² (a number of 23 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 (83421750403) 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, 364818 + ... + 547663.

It is an arithmetic number, because the mean of its divisors is an integer number (20855688592).

Almost surely, 2^83421750463 is an apocalyptic number.

83421750463 is a deficient number, since it is larger than the sum of its proper divisors (1003905).

83421750463 is an equidigital number, since it uses as much as digits as its factorization.

83421750463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003904.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 83421750463 in words is "eighty-three billion, four hundred twenty-one million, seven hundred fifty thousand, four hundred sixty-three".