2651237605 has 16 divisors (see below), whose sum is σ = 3213359424. Its totient is φ = 2099818240.

The previous prime is 2651237597. The next prime is 2651237639. The reversal of 2651237605 is 5067321562.

2651237605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2651237605 - 2³ = 2651237597 is a prime.

It is a super-2 number, since 2×2651237605² = 14058121676332272050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285597 + ... + 294733.

It is an arithmetic number, because the mean of its divisors is an integer number (200834964).

Almost surely, 2^2651237605 is an apocalyptic number.

It is an amenable number.

2651237605 is a deficient number, since it is larger than the sum of its proper divisors (562121819).

2651237605 is a wasteful number, since it uses less digits than its factorization.

2651237605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 2651237605 is about 51490.1699841824. The cubic root of 2651237605 is about 1384.0428955055.

The spelling of 2651237605 in words is "two billion, six hundred fifty-one million, two hundred thirty-seven thousand, six hundred five".