194462401961 has 2 divisors, whose sum is σ = 194462401962. Its totient is φ = 194462401960.

The previous prime is 194462401951. The next prime is 194462401981. The reversal of 194462401961 is 169104264491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117882355600 + 76580046361 = 343340^2 + 276731^2 .

It is a cyclic number.

It is not a de Polignac number, because 194462401961 - 2¹⁴ = 194462385577 is a prime.

It is not a weakly prime, because it can be changed into another prime (194462401951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97231200980 + 97231200981.

It is an arithmetic number, because the mean of its divisors is an integer number (97231200981).

Almost surely, 2^194462401961 is an apocalyptic number.

It is an amenable number.

194462401961 is a deficient number, since it is larger than the sum of its proper divisors (1).

194462401961 is an equidigital number, since it uses as much as digits as its factorization.

194462401961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 194462401961 in words is "one hundred ninety-four billion, four hundred sixty-two million, four hundred one thousand, nine hundred sixty-one".