10421142451 has 4 divisors (see below), whose sum is σ = 10423681504. Its totient is φ = 10418603400.

The previous prime is 10421142449. The next prime is 10421142551. The reversal of 10421142451 is 15424112401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15424112401 = 457 ⋅33750793.

It is a cyclic number.

It is not a de Polignac number, because 10421142451 - 2¹ = 10421142449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421142551) 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, 1263360 + ... + 1271581.

It is an arithmetic number, because the mean of its divisors is an integer number (2605920376).

Almost surely, 2^10421142451 is an apocalyptic number.

10421142451 is a deficient number, since it is larger than the sum of its proper divisors (2539053).

10421142451 is an equidigital number, since it uses as much as digits as its factorization.

10421142451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539052.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 10421142451 its reverse (15424112401), we get a palindrome (25845254852).

The spelling of 10421142451 in words is "ten billion, four hundred twenty-one million, one hundred forty-two thousand, four hundred fifty-one".