2601297906 has 8 divisors (see below), whose sum is σ = 5202595824. Its totient is φ = 867099300.

The previous prime is 2601297821. The next prime is 2601297911. The reversal of 2601297906 is 6097921062.

It is a sphenic number, since it is the product of 3 distinct primes.

2601297906 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 216774820 + ... + 216774831.

It is an arithmetic number, because the mean of its divisors is an integer number (650324478).

Almost surely, 2^2601297906 is an apocalyptic number.

2601297906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2601297906 is a wasteful number, since it uses less digits than its factorization.

2601297906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433549656.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2601297906 is about 51002.9205634344. The cubic root of 2601297906 is about 1375.2976380027.

The spelling of 2601297906 in words is "two billion, six hundred one million, two hundred ninety-seven thousand, nine hundred six".