8410403421 has 160 divisors (see below), whose sum is σ = 15739308288. Its totient is φ = 4367001600.

The previous prime is 8410403389. The next prime is 8410403459. The reversal of 8410403421 is 1243040148.

It is not a de Polignac number, because 8410403421 - 2⁵ = 8410403389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8410503421) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 51597486 + ... + 51597648.

Almost surely, 2^8410403421 is an apocalyptic number.

8410403421 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8410403421 is a deficient number, since it is larger than the sum of its proper divisors (7328904867).

8410403421 is a wasteful number, since it uses less digits than its factorization.

8410403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8410403421 is about 91708.2516516371. The cubic root of 8410403421 is about 2033.6315737008.

Adding to 8410403421 its reverse (1243040148), we get a palindrome (9653443569).

The spelling of 8410403421 in words is "eight billion, four hundred ten million, four hundred three thousand, four hundred twenty-one".