4013167763861 has 2 divisors, whose sum is σ = 4013167763862. Its totient is φ = 4013167763860.

The previous prime is 4013167763807. The next prime is 4013167763923. The reversal of 4013167763861 is 1683677613104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4009005062500 + 4162701361 = 2002250^2 + 64519^2 .

It is a cyclic number.

It is not a de Polignac number, because 4013167763861 - 2²² = 4013163569557 is a prime.

It is a super-2 number, since 2×4013167763861² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4013167763161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006583881930 + 2006583881931.

It is an arithmetic number, because the mean of its divisors is an integer number (2006583881931).

Almost surely, 2^{4013167763861} is an apocalyptic number.

It is an amenable number.

4013167763861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013167763861 is an equidigital number, since it uses as much as digits as its factorization.

4013167763861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 4013167763861 in words is "four trillion, thirteen billion, one hundred sixty-seven million, seven hundred sixty-three thousand, eight hundred sixty-one".