3777044001061 has 2 divisors, whose sum is σ = 3777044001062. Its totient is φ = 3777044001060.

The previous prime is 3777044001043. The next prime is 3777044001119. The reversal of 3777044001061 is 1601004407773.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3776826880836 + 217120225 = 1943406^2 + 14735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3777044001061 - 2⁹ = 3777044000549 is a prime.

It is a super-2 number, since 2×3777044001061² (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 (3777044001461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888522000530 + 1888522000531.

It is an arithmetic number, because the mean of its divisors is an integer number (1888522000531).

Almost surely, 2^{3777044001061} is an apocalyptic number.

It is an amenable number.

3777044001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3777044001061 is an equidigital number, since it uses as much as digits as its factorization.

3777044001061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 3777044001061 in words is "three trillion, seven hundred seventy-seven billion, forty-four million, one thousand, sixty-one".