5420631629 has 4 divisors (see below), whose sum is σ = 6195007584. Its totient is φ = 4646255676.

The previous prime is 5420631563. The next prime is 5420631631. The reversal of 5420631629 is 9261360245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9261360245 = 5 ⋅1852272049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5420631629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5420631592 and 5420631601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420631649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387187967 + ... + 387187980.

It is an arithmetic number, because the mean of its divisors is an integer number (1548751896).

Almost surely, 2^5420631629 is an apocalyptic number.

It is an amenable number.

5420631629 is a deficient number, since it is larger than the sum of its proper divisors (774375955).

5420631629 is an equidigital number, since it uses as much as digits as its factorization.

5420631629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774375954.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5420631629 is about 73624.9389065960. The cubic root of 5420631629 is about 1756.6421459506.

The spelling of 5420631629 in words is "five billion, four hundred twenty million, six hundred thirty-one thousand, six hundred twenty-nine".