424049831 has 2 divisors, whose sum is σ = 424049832. Its totient is φ = 424049830.

The previous prime is 424049797. The next prime is 424049849. The reversal of 424049831 is 138940424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424049831 - 2¹⁸ = 423787687 is a prime.

It is a super-2 number, since 2×424049831² = 359636518342257122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424049791 and 424049800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424099831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212024915 + 212024916.

It is an arithmetic number, because the mean of its divisors is an integer number (212024916).

Almost surely, 2^424049831 is an apocalyptic number.

424049831 is a deficient number, since it is larger than the sum of its proper divisors (1).

424049831 is an equidigital number, since it uses as much as digits as its factorization.

424049831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 424049831 is about 20592.4702500696. The cubic root of 424049831 is about 751.2865804265.

The spelling of 424049831 in words is "four hundred twenty-four million, forty-nine thousand, eight hundred thirty-one".