10421484381 has 224 divisors, whose sum is σ = 21062827008. Its totient is φ = 4988459520.

The previous prime is 10421484377. The next prime is 10421484383. The reversal of 10421484381 is 18348412401.

It is a happy number.

10421484381 is a `hidden beast` number, since 1 + 0 + 4 + 214 + 8 + 438 + 1 = 666.

It is not a de Polignac number, because 10421484381 - 2² = 10421484377 is a prime.

It is a super-2 number, since 2×10421484381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421484383) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 63935406 + ... + 63935568.

Almost surely, 2^10421484381 is an apocalyptic number.

10421484381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10421484381 is an abundant number, since it is smaller than the sum of its proper divisors (10641342627).

10421484381 is a wasteful number, since it uses less digits than its factorization.

10421484381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

Adding to 10421484381 its reverse (18348412401), we get a palindrome (28769896782).

It can be divided in two parts, 1042148 and 4381, that added together give a square (1046529 = 1023²).

The spelling of 10421484381 in words is "ten billion, four hundred twenty-one million, four hundred eighty-four thousand, three hundred eighty-one".