2426210261 has 8 divisors (see below), whose sum is σ = 2468608920. Its totient is φ = 2384059392.

The previous prime is 2426210249. The next prime is 2426210291. The reversal of 2426210261 is 1620126242.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 2426055025 = 394^2 + 49255^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2426210261 - 2¹⁴ = 2426193877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2426210261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426210201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42140 + ... + 81413.

It is an arithmetic number, because the mean of its divisors is an integer number (308576115).

Almost surely, 2^2426210261 is an apocalyptic number.

It is an amenable number.

2426210261 is a deficient number, since it is larger than the sum of its proper divisors (42398659).

2426210261 is a wasteful number, since it uses less digits than its factorization.

2426210261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123895.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2426210261 is about 49256.5758148087. The cubic root of 2426210261 is about 1343.7221568530.

The spelling of 2426210261 in words is "two billion, four hundred twenty-six million, two hundred ten thousand, two hundred sixty-one".