3451246421543 has 4 divisors (see below), whose sum is σ = 3601300613808. Its totient is φ = 3301192229280.

The previous prime is 3451246421461. The next prime is 3451246421621.

3451246421543 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3451246421543 - 2¹⁰ = 3451246420519 is a prime.

It is a super-2 number, since 2×3451246421543² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3451246421494 and 3451246421503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451246421243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75027096098 + ... + 75027096143.

It is an arithmetic number, because the mean of its divisors is an integer number (900325153452).

Almost surely, 2^{3451246421543} is an apocalyptic number.

3451246421543 is a deficient number, since it is larger than the sum of its proper divisors (150054192265).

3451246421543 is a wasteful number, since it uses less digits than its factorization.

3451246421543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150054192264.

The product of its digits is 1382400, while the sum is 44.

The spelling of 3451246421543 in words is "three trillion, four hundred fifty-one billion, two hundred forty-six million, four hundred twenty-one thousand, five hundred forty-three".