5421987357456 has 40 divisors (see below), whose sum is σ = 14007397283680. Its totient is φ = 1807252137216.

The previous prime is 5421987357433. The next prime is 5421987357461. The reversal of 5421987357456 is 6547537891245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261426 + ... + 3526353.

It is an arithmetic number, because the mean of its divisors is an integer number (350184932092).

Almost surely, 2^{5421987357456} is an apocalyptic number.

It is an amenable number.

5421987357456 is an abundant number, since it is smaller than the sum of its proper divisors (8585409926224).

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

5421987357456 is a wasteful number, since it uses less digits than its factorization.

5421987357456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811383 (or 4811377 counting only the distinct ones).

The product of its digits is 254016000, while the sum is 66.

The spelling of 5421987357456 in words is "five trillion, four hundred twenty-one billion, nine hundred eighty-seven million, three hundred fifty-seven thousand, four hundred fifty-six".