3870544061 has 2 divisors, whose sum is σ = 3870544062. Its totient is φ = 3870544060.

The previous prime is 3870544043. The next prime is 3870544087. The reversal of 3870544061 is 1604450783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3296941561 + 573602500 = 57419^2 + 23950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870544061 is a prime.

It is a super-2 number, since 2×3870544061² = 29962222656284743442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870544661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935272030 + 1935272031.

It is an arithmetic number, because the mean of its divisors is an integer number (1935272031).

Almost surely, 2^3870544061 is an apocalyptic number.

It is an amenable number.

3870544061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870544061 is an equidigital number, since it uses as much as digits as its factorization.

3870544061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3870544061 is about 62213.6967315076. The cubic root of 3870544061 is about 1570.0880393380.

The spelling of 3870544061 in words is "three billion, eight hundred seventy million, five hundred forty-four thousand, sixty-one".