5421221870351 has 8 divisors (see below), whose sum is σ = 6195807289344. Its totient is φ = 4646667739320.

The previous prime is 5421221870327. The next prime is 5421221870369. The reversal of 5421221870351 is 1530781221245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5421221870351 - 2³⁸ = 5146343963407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421221870299 and 5421221870308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421221870651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7449515 + ... + 8144796.

It is an arithmetic number, because the mean of its divisors is an integer number (774475911168).

Almost surely, 2^{5421221870351} is an apocalyptic number.

5421221870351 is a deficient number, since it is larger than the sum of its proper divisors (774585418993).

5421221870351 is a wasteful number, since it uses less digits than its factorization.

5421221870351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15643981.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 5421221870351 in words is "five trillion, four hundred twenty-one billion, two hundred twenty-one million, eight hundred seventy thousand, three hundred fifty-one".