4601772261 has 6 divisors (see below), whose sum is σ = 6647004390. Its totient is φ = 3067848168.

The previous prime is 4601772257. The next prime is 4601772281. The reversal of 4601772261 is 1622771064.

4601772261 is a `hidden beast` number, since 460 + 177 + 2 + 26 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3013351236 + 1588421025 = 54894^2 + 39855^2 .

It is not a de Polignac number, because 4601772261 - 2² = 4601772257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4601772221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255654006 + ... + 255654023.

It is an arithmetic number, because the mean of its divisors is an integer number (1107834065).

Almost surely, 2^4601772261 is an apocalyptic number.

It is an amenable number.

4601772261 is a deficient number, since it is larger than the sum of its proper divisors (2045232129).

4601772261 is a wasteful number, since it uses less digits than its factorization.

4601772261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511308035 (or 511308032 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 4601772261 is about 67836.3638544992. The cubic root of 4601772261 is about 1663.3170550020.

The spelling of 4601772261 in words is "four billion, six hundred one million, seven hundred seventy-two thousand, two hundred sixty-one".