33237138652 has 6 divisors (see below), whose sum is σ = 58164992648. Its totient is φ = 16618569324.

The previous prime is 33237138611. The next prime is 33237138667. The reversal of 33237138652 is 25683173233.

It is a happy number.

It is a super-2 number, since 2×33237138652² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33237138599 and 33237138608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4154642328 + ... + 4154642335.

Almost surely, 2^33237138652 is an apocalyptic number.

It is an amenable number.

33237138652 is a deficient number, since it is larger than the sum of its proper divisors (24927853996).

33237138652 is a wasteful number, since it uses less digits than its factorization.

33237138652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309284667 (or 8309284665 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The spelling of 33237138652 in words is "thirty-three billion, two hundred thirty-seven million, one hundred thirty-eight thousand, six hundred fifty-two".