70654732209 has 48 divisors (see below), whose sum is σ = 105466530000. Its totient is φ = 45546209280.

The previous prime is 70654732153. The next prime is 70654732259. The reversal of 70654732209 is 90223745607.

70654732209 is a `hidden beast` number, since 70 + 6 + 547 + 32 + 2 + 0 + 9 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 27201245184 + 43453487025 = 164928^2 + 208455^2 .

It is not a de Polignac number, because 70654732209 - 2⁷ = 70654732081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70654732259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56568417 + ... + 56569665.

It is an arithmetic number, because the mean of its divisors is an integer number (2197219375).

Almost surely, 2^70654732209 is an apocalyptic number.

It is an amenable number.

70654732209 is a deficient number, since it is larger than the sum of its proper divisors (34811797791).

70654732209 is a wasteful number, since it uses less digits than its factorization.

70654732209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2207 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 70654732209 in words is "seventy billion, six hundred fifty-four million, seven hundred thirty-two thousand, two hundred nine".