1934510161 has 2 divisors, whose sum is σ = 1934510162. Its totient is φ = 1934510160.

The previous prime is 1934510159. The next prime is 1934510173. The reversal of 1934510161 is 1610154391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168272400 + 766237761 = 34180^2 + 27681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1934510161 - 2¹ = 1934510159 is a prime.

Together with 1934510159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1934510191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967255080 + 967255081.

It is an arithmetic number, because the mean of its divisors is an integer number (967255081).

Almost surely, 2^1934510161 is an apocalyptic number.

It is an amenable number.

1934510161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934510161 is an equidigital number, since it uses as much as digits as its factorization.

1934510161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1934510161 is about 43983.0667530130. The cubic root of 1934510161 is about 1246.0161509930.

The spelling of 1934510161 in words is "one billion, nine hundred thirty-four million, five hundred ten thousand, one hundred sixty-one".