7209632650 has 48 divisors (see below), whose sum is σ = 15398969760. Its totient is φ = 2483697600.

The previous prime is 7209632641. The next prime is 7209632657. The reversal of 7209632650 is 562369027.

It is not an unprimeable number, because it can be changed into a prime (7209632657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334509 + ... + 355408.

It is an arithmetic number, because the mean of its divisors is an integer number (320811870).

Almost surely, 2^7209632650 is an apocalyptic number.

7209632650 is an abundant number, since it is smaller than the sum of its proper divisors (8189337110).

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

7209632650 is a wasteful number, since it uses less digits than its factorization.

7209632650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689959 (or 689954 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 7209632650 is about 84909.5557048793. Note that the first 3 decimals coincide. The cubic root of 7209632650 is about 1931.8395170734.

The spelling of 7209632650 in words is "seven billion, two hundred nine million, six hundred thirty-two thousand, six hundred fifty".