13021022433 has 16 divisors (see below), whose sum is σ = 17852478336. Its totient is φ = 8436735360.

The previous prime is 13021022429. The next prime is 13021022437. The reversal of 13021022433 is 33422012031.

It is an interprime number because it is at equal distance from previous prime (13021022429) and next prime (13021022437).

It is not a de Polignac number, because 13021022433 - 2² = 13021022429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13021022437) 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, 168910 + ... + 233607.

It is an arithmetic number, because the mean of its divisors is an integer number (1115779896).

Almost surely, 2^13021022433 is an apocalyptic number.

It is an amenable number.

13021022433 is a deficient number, since it is larger than the sum of its proper divisors (4831455903).

13021022433 is a wasteful number, since it uses less digits than its factorization.

13021022433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402824.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13021022433 its reverse (33422012031), we get a palindrome (46443034464).

The spelling of 13021022433 in words is "thirteen billion, twenty-one million, twenty-two thousand, four hundred thirty-three".