426845003749 has 4 divisors (see below), whose sum is σ = 426849387136. Its totient is φ = 426840620364.

The previous prime is 426845003743. The next prime is 426845003773. The reversal of 426845003749 is 947300548624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426845003749 - 2²⁹ = 426308132837 is a prime.

It is a super-3 number, since 3×426845003749³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426845003696 and 426845003705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426845003743) 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, 2042229 + ... + 2241514.

It is an arithmetic number, because the mean of its divisors is an integer number (106712346784).

Almost surely, 2^426845003749 is an apocalyptic number.

It is an amenable number.

426845003749 is a deficient number, since it is larger than the sum of its proper divisors (4383387).

426845003749 is an equidigital number, since it uses as much as digits as its factorization.

426845003749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383386.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 426845003749 in words is "four hundred twenty-six billion, eight hundred forty-five million, three thousand, seven hundred forty-nine".