84914942545521 has 48 divisors (see below), whose sum is σ = 134363026474560. Its totient is φ = 51249226383360.

The previous prime is 84914942545441. The next prime is 84914942545553. The reversal of 84914942545521 is 12554524941948.

84914942545521 is a `hidden beast` number, since 8 + 4 + 9 + 1 + 49 + 4 + 25 + 45 + 521 = 666.

It is not a de Polignac number, because 84914942545521 - 2¹³ = 84914942537329 is a prime.

It is a super-2 number, since 2×84914942545521² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84914942545621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92230785 + ... + 93146913.

It is an arithmetic number, because the mean of its divisors is an integer number (2799229718220).

Almost surely, 2^{84914942545521} is an apocalyptic number.

It is an amenable number.

84914942545521 is a deficient number, since it is larger than the sum of its proper divisors (49448083929039).

84914942545521 is a wasteful number, since it uses less digits than its factorization.

84914942545521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920046 (or 920043 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 63.

The spelling of 84914942545521 in words is "eighty-four trillion, nine hundred fourteen billion, nine hundred forty-two million, five hundred forty-five thousand, five hundred twenty-one".