19741162061 has 2 divisors, whose sum is σ = 19741162062. Its totient is φ = 19741162060.

The previous prime is 19741161989. The next prime is 19741162073. The reversal of 19741162061 is 16026114791.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19500726025 + 240436036 = 139645^2 + 15506^2 .

It is a cyclic number.

It is not a de Polignac number, because 19741162061 - 2²⁶ = 19674053197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19741162561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870581030 + 9870581031.

It is an arithmetic number, because the mean of its divisors is an integer number (9870581031).

Almost surely, 2^19741162061 is an apocalyptic number.

It is an amenable number.

19741162061 is a deficient number, since it is larger than the sum of its proper divisors (1).

19741162061 is an equidigital number, since it uses as much as digits as its factorization.

19741162061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 19741162061 in words is "nineteen billion, seven hundred forty-one million, one hundred sixty-two thousand, sixty-one".