5421403631 has 4 divisors (see below), whose sum is σ = 6195889872. Its totient is φ = 4646917392.

The previous prime is 5421403613. The next prime is 5421403633. The reversal of 5421403631 is 1363041245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5421403631 - 2¹⁰ = 5421402607 is a prime.

It is a super-2 number, since 2×5421403631² = 58783234660439968322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421403594 and 5421403603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421403633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387243110 + ... + 387243123.

It is an arithmetic number, because the mean of its divisors is an integer number (1548972468).

Almost surely, 2^5421403631 is an apocalyptic number.

5421403631 is a deficient number, since it is larger than the sum of its proper divisors (774486241).

5421403631 is an equidigital number, since it uses as much as digits as its factorization.

5421403631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774486240.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5421403631 is about 73630.1815222535. The cubic root of 5421403631 is about 1756.7255351795.

Adding to 5421403631 its reverse (1363041245), we get a palindrome (6784444876).

The spelling of 5421403631 in words is "five billion, four hundred twenty-one million, four hundred three thousand, six hundred thirty-one".