3456421003 has 4 divisors (see below), whose sum is σ = 3950195440. Its totient is φ = 2962646568.

The previous prime is 3456420973. The next prime is 3456421019. The reversal of 3456421003 is 3001246543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001246543 = 61 ⋅49200763.

It is not a de Polignac number, because 3456421003 - 2²⁵ = 3422866571 is a prime.

It is a super-2 number, since 2×3456421003² = 23893692299959052018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3456421103) 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, 246887208 + ... + 246887221.

It is an arithmetic number, because the mean of its divisors is an integer number (987548860).

Almost surely, 2^3456421003 is an apocalyptic number.

3456421003 is a deficient number, since it is larger than the sum of its proper divisors (493774437).

3456421003 is an equidigital number, since it uses as much as digits as its factorization.

3456421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493774436.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3456421003 is about 58791.3344209842. The cubic root of 3456421003 is about 1511.9666498049.

Adding to 3456421003 its reverse (3001246543), we get a palindrome (6457667546).

The spelling of 3456421003 in words is "three billion, four hundred fifty-six million, four hundred twenty-one thousand, three".