426365949 has 4 divisors (see below), whose sum is σ = 568487936. Its totient is φ = 284243964.

The previous prime is 426365897. The next prime is 426365963. The reversal of 426365949 is 949563624.

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 not a de Polignac number, because 426365949 - 2¹¹ = 426363901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426365898 and 426365907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426365969) 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, 71060989 + ... + 71060994.

It is an arithmetic number, because the mean of its divisors is an integer number (142121984).

Almost surely, 2^426365949 is an apocalyptic number.

It is an amenable number.

426365949 is a deficient number, since it is larger than the sum of its proper divisors (142121987).

426365949 is a wasteful number, since it uses less digits than its factorization.

426365949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142121986.

The product of its digits is 1399680, while the sum is 48.

The square root of 426365949 is about 20648.6306809919. The cubic root of 426365949 is about 752.6519151870.

The spelling of 426365949 in words is "four hundred twenty-six million, three hundred sixty-five thousand, nine hundred forty-nine".