1962963161 has 2 divisors, whose sum is σ = 1962963162.
Its totient is φ = 1962963160.
The previous prime is 1962963139. The next prime is 1962963187. The reversal of 1962963161 is 1613692691.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1430276761 + 532686400 = 37819^2 + 23080^2
It is a cyclic number.
It is not a de Polignac number, because 1962963161 - 26 = 1962963097 is a prime.
It is a super-2 number, since 2×19629631612 = 7706448742886223842, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1962960161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981481580 + 981481581.
It is an arithmetic number, because the mean of its divisors is an integer number (981481581).
Almost surely, 21962963161 is an apocalyptic number.
It is an amenable number.
1962963161 is a deficient number, since it is larger than the sum of its proper divisors (1).
1962963161 is an equidigital number, since it uses as much as digits as its factorization.
1962963161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 104976, while the sum is 44.
The square root of 1962963161 is about 44305.3400957492.
The cubic root of 1962963161 is about 1252.0952935136.
The spelling of 1962963161 in words is "one billion, nine hundred sixty-two million, nine hundred sixty-three thousand, one hundred sixty-one".