2039963997 has 8 divisors (see below), whose sum is σ = 2720453344. Its totient is φ = 1359725328.

The previous prime is 2039963987. The next prime is 2039964037. The reversal of 2039963997 is 7993699302.

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

It is not a de Polignac number, because 2039963997 - 2¹¹ = 2039961949 is a prime.

It is a super-2 number, since 2×2039963997² = 8322906218112432018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039963987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42778 + ... + 76875.

It is an arithmetic number, because the mean of its divisors is an integer number (340056668).

Almost surely, 2^2039963997 is an apocalyptic number.

It is an amenable number.

2039963997 is a deficient number, since it is larger than the sum of its proper divisors (680489347).

2039963997 is a wasteful number, since it uses less digits than its factorization.

2039963997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125339.

The product of its (nonzero) digits is 4960116, while the sum is 57.

The square root of 2039963997 is about 45165.9606008773. The cubic root of 2039963997 is about 1268.2576800282.

The spelling of 2039963997 in words is "two billion, thirty-nine million, nine hundred sixty-three thousand, nine hundred ninety-seven".