10454343421 has 4 divisors (see below), whose sum is σ = 10467868572. Its totient is φ = 10440818272.

The previous prime is 10454343391. The next prime is 10454343461. The reversal of 10454343421 is 12434345401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12434345401 = 51607 ⋅240943.

It can be written as a sum of positive squares in 2 ways, for example, as 1331228196 + 9123115225 = 36486^2 + 95515^2 .

It is a cyclic number.

It is not a de Polignac number, because 10454343421 - 2⁷ = 10454343293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10454343461) 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, 6761416 + ... + 6762961.

It is an arithmetic number, because the mean of its divisors is an integer number (2616967143).

Almost surely, 2^10454343421 is an apocalyptic number.

It is an amenable number.

10454343421 is a deficient number, since it is larger than the sum of its proper divisors (13525151).

10454343421 is an equidigital number, since it uses as much as digits as its factorization.

10454343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13525150.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 10454343421 its reverse (12434345401), we get a palindrome (22888688822).

The spelling of 10454343421 in words is "ten billion, four hundred fifty-four million, three hundred forty-three thousand, four hundred twenty-one".