423965295649 has 16 divisors (see below), whose sum is σ = 485754352000. Its totient is φ = 362482646400.

The previous prime is 423965295643. The next prime is 423965295659. The reversal of 423965295649 is 946592569324.

It is not a de Polignac number, because 423965295649 - 2³ = 423965295641 is a prime.

It is a super-3 number, since 3×423965295649³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423965295641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6931099 + ... + 6991999.

It is an arithmetic number, because the mean of its divisors is an integer number (30359647000).

Almost surely, 2^423965295649 is an apocalyptic number.

It is an amenable number.

423965295649 is a deficient number, since it is larger than the sum of its proper divisors (61789056351).

423965295649 is a wasteful number, since it uses less digits than its factorization.

423965295649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63400.

The product of its digits is 125971200, while the sum is 64.

The spelling of 423965295649 in words is "four hundred twenty-three billion, nine hundred sixty-five million, two hundred ninety-five thousand, six hundred forty-nine".