981411000654 has 128 divisors (see below), whose sum is σ = 2402916848640. Its totient is φ = 260834328576.

The previous prime is 981411000653. The next prime is 981411000719. The reversal of 981411000654 is 456000114189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981411000653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53250189 + ... + 53268615.

It is an arithmetic number, because the mean of its divisors is an integer number (18772787880).

Almost surely, 2^981411000654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 981411000654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201458424320).

981411000654 is an abundant number, since it is smaller than the sum of its proper divisors (1421505847986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981411000654 is a wasteful number, since it uses less digits than its factorization.

With its successor (981411000655) it forms an eRAP, since the sums of their prime factors are consecutive (19322 and 19323).

981411000654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19322.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 981411000654 in words is "nine hundred eighty-one billion, four hundred eleven million, six hundred fifty-four", and thus it is an aban number.