2039963961 has 8 divisors (see below), whose sum is σ = 3108516544. Its totient is φ = 1165693680.

The previous prime is 2039963953. The next prime is 2039963987. The reversal of 2039963961 is 1693699302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2039963961 - 2³ = 2039963953 is a prime.

It is a super-2 number, since 2×2039963961² = 8322905924357619042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2039963961.

It is not an unprimeable number, because it can be changed into a prime (2039963461) 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 in 7 ways as a sum of consecutive naturals, for example, 48570550 + ... + 48570591.

It is an arithmetic number, because the mean of its divisors is an integer number (388564568).

Almost surely, 2^2039963961 is an apocalyptic number.

2039963961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2039963961 is a deficient number, since it is larger than the sum of its proper divisors (1068552583).

2039963961 is an equidigital number, since it uses as much as digits as its factorization.

2039963961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97141151.

The product of its (nonzero) digits is 472392, while the sum is 48.

The square root of 2039963961 is about 45165.9602023471. The cubic root of 2039963961 is about 1268.2576725678.

The spelling of 2039963961 in words is "two billion, thirty-nine million, nine hundred sixty-three thousand, nine hundred sixty-one".