32999265649 has 9 divisors (see below), whose sum is σ = 38388380121. Its totient is φ = 28283994900.

The previous prime is 32999265623. The next prime is 32999265653. The reversal of 32999265649 is 94656299923.

The square root of 32999265649 is 181657.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 32999265649 - 2⁹ = 32999265137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32999265679) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1258624 + ... + 1284574.

It is an arithmetic number, because the mean of its divisors is an integer number (4265375569).

Almost surely, 2^32999265649 is an apocalyptic number.

32999265649 is the 181657-th square number.

32999265649 is the 90829-th centered octagonal number.

It is an amenable number.

32999265649 is a deficient number, since it is larger than the sum of its proper divisors (5389114472).

32999265649 is an frugal number, since it uses more digits than its factorization.

32999265649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51916 (or 25958 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 64.

Multiplying 32999265649 by its sum of digits (64), we get a square (2111953001536 = 1453256²).

It can be divided in two parts, 329992 and 65649, that added together give a square (395641 = 629²).

The spelling of 32999265649 in words is "thirty-two billion, nine hundred ninety-nine million, two hundred sixty-five thousand, six hundred forty-nine".