84331507449 has 16 divisors (see below), whose sum is σ = 128528317440. Its totient is φ = 48180746640.

The previous prime is 84331507441. The next prime is 84331507459. The reversal of 84331507449 is 94470513348.

It is not a de Polignac number, because 84331507449 - 2³ = 84331507441 is a prime.

It is a super-2 number, since 2×84331507449² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84331507398 and 84331507407.

It is not an unprimeable number, because it can be changed into a prime (84331507441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241719 + ... + 476540.

It is an arithmetic number, because the mean of its divisors is an integer number (8033019840).

Almost surely, 2^84331507449 is an apocalyptic number.

It is an amenable number.

84331507449 is a deficient number, since it is larger than the sum of its proper divisors (44196809991).

84331507449 is a wasteful number, since it uses less digits than its factorization.

84331507449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723860.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 84331507449 in words is "eighty-four billion, three hundred thirty-one million, five hundred seven thousand, four hundred forty-nine".