4261786636832 has 12 divisors (see below), whose sum is σ = 8390392441326. Its totient is φ = 2130893318400.

The previous prime is 4261786636823. The next prime is 4261786636837. The reversal of 4261786636832 is 2386366871624.

It can be written as a sum of positive squares in only one way, i.e., 3642738691216 + 619047945616 = 1908596^2 + 786796^2 .

It is not an unprimeable number, because it can be changed into a prime (4261786636837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66590416169 + ... + 66590416232.

Almost surely, 2^{4261786636832} is an apocalyptic number.

It is an amenable number.

4261786636832 is a deficient number, since it is larger than the sum of its proper divisors (4128605804494).

4261786636832 is a wasteful number, since it uses less digits than its factorization.

4261786636832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133180832411 (or 133180832403 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 62.

The spelling of 4261786636832 in words is "four trillion, two hundred sixty-one billion, seven hundred eighty-six million, six hundred thirty-six thousand, eight hundred thirty-two".