402443313113 has 4 divisors (see below), whose sum is σ = 406204465680. Its totient is φ = 398682160548.

The previous prime is 402443313109. The next prime is 402443313121. The reversal of 402443313113 is 311313344204.

It is a happy number.

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 402443313113 - 2² = 402443313109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402443313163) 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, 1880576123 + ... + 1880576336.

It is an arithmetic number, because the mean of its divisors is an integer number (101551116420).

Almost surely, 2^402443313113 is an apocalyptic number.

It is an amenable number.

402443313113 is a deficient number, since it is larger than the sum of its proper divisors (3761152567).

402443313113 is a wasteful number, since it uses less digits than its factorization.

402443313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761152566.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 402443313113 its reverse (311313344204), we get a palindrome (713756657317).

The spelling of 402443313113 in words is "four hundred two billion, four hundred forty-three million, three hundred thirteen thousand, one hundred thirteen".