5421986697960 has 192 divisors, whose sum is σ = 20145017692800. Its totient is φ = 1238929095168.

The previous prime is 5421986697947. The next prime is 5421986697971. The reversal of 5421986697960 is 697966891245.

5421986697960 is a `hidden beast` number, since 5 + 421 + 9 + 86 + 69 + 7 + 9 + 60 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7882582 + ... + 8542778.

It is an arithmetic number, because the mean of its divisors is an integer number (104921967150).

Almost surely, 2^{5421986697960} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421986697960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10072508846400).

5421986697960 is an abundant number, since it is smaller than the sum of its proper divisors (14723030994840).

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

5421986697960 is a wasteful number, since it uses less digits than its factorization.

5421986697960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663480 (or 663473 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 72.

The spelling of 5421986697960 in words is "five trillion, four hundred twenty-one billion, nine hundred eighty-six million, six hundred ninety-seven thousand, nine hundred sixty".