4000602761 has 2 divisors, whose sum is σ = 4000602762. Its totient is φ = 4000602760.

The previous prime is 4000602733. The next prime is 4000602791. The reversal of 4000602761 is 1672060004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2928433225 + 1072169536 = 54115^2 + 32744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000602761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4000602761.

It is not a weakly prime, because it can be changed into another prime (4000602791) by changing a digit.

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 as a sum of consecutive naturals, namely, 2000301380 + 2000301381.

It is an arithmetic number, because the mean of its divisors is an integer number (2000301381).

Almost surely, 2^4000602761 is an apocalyptic number.

It is an amenable number.

4000602761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000602761 is an equidigital number, since it uses as much as digits as its factorization.

4000602761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4000602761 is about 63250.3182679740. The cubic root of 4000602761 is about 1587.4807832505.

Adding to 4000602761 its reverse (1672060004), we get a palindrome (5672662765).

The spelling of 4000602761 in words is "four billion, six hundred two thousand, seven hundred sixty-one".