3938972963 has 8 divisors (see below), whose sum is σ = 3961860288. Its totient is φ = 3916148544.

The previous prime is 3938972959. The next prime is 3938972969. The reversal of 3938972963 is 3692798393.

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

It is a cyclic number.

It is not a de Polignac number, because 3938972963 - 2² = 3938972959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3938972969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112895 + ... + 143607.

It is an arithmetic number, because the mean of its divisors is an integer number (495232536).

Almost surely, 2^3938972963 is an apocalyptic number.

3938972963 is a deficient number, since it is larger than the sum of its proper divisors (22887325).

3938972963 is a wasteful number, since it uses less digits than its factorization.

3938972963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31453.

The product of its digits is 13226976, while the sum is 59.

The square root of 3938972963 is about 62761.2377427342. The cubic root of 3938972963 is about 1579.2867799239.

The spelling of 3938972963 in words is "three billion, nine hundred thirty-eight million, nine hundred seventy-two thousand, nine hundred sixty-three".