1940527961 has 2 divisors, whose sum is σ = 1940527962. Its totient is φ = 1940527960.

The previous prime is 1940527949. The next prime is 1940527973. The reversal of 1940527961 is 1697250491.

It is a balanced prime because it is at equal distance from previous prime (1940527949) and next prime (1940527973).

It can be written as a sum of positive squares in only one way, i.e., 1270494736 + 670033225 = 35644^2 + 25885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940527961 - 2²² = 1936333657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940527661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970263980 + 970263981.

It is an arithmetic number, because the mean of its divisors is an integer number (970263981).

Almost surely, 2^1940527961 is an apocalyptic number.

It is an amenable number.

1940527961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940527961 is an equidigital number, since it uses as much as digits as its factorization.

1940527961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1940527961 is about 44051.4240518964. The cubic root of 1940527961 is about 1247.3068333299.

The spelling of 1940527961 in words is "one billion, nine hundred forty million, five hundred twenty-seven thousand, nine hundred sixty-one".