236421269436 has 24 divisors (see below), whose sum is σ = 601799595264. Its totient is φ = 71642808880.

The previous prime is 236421269429. The next prime is 236421269437. The reversal of 236421269436 is 634962124632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236421269437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895534980 + ... + 895535243.

It is an arithmetic number, because the mean of its divisors is an integer number (25074983136).

Almost surely, 2^236421269436 is an apocalyptic number.

It is an amenable number.

236421269436 is an abundant number, since it is smaller than the sum of its proper divisors (365378325828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

236421269436 is a wasteful number, since it uses less digits than its factorization.

236421269436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791070241 (or 1791070239 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The spelling of 236421269436 in words is "two hundred thirty-six billion, four hundred twenty-one million, two hundred sixty-nine thousand, four hundred thirty-six".