3921872053 has 8 divisors (see below), whose sum is σ = 4283851680. Its totient is φ = 3560800080.

The previous prime is 3921872051. The next prime is 3921872063. The reversal of 3921872053 is 3502781293.

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 3921872053 - 2¹ = 3921872051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3921871997 and 3921872015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921872051) 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, 217858 + ... + 235171.

It is an arithmetic number, because the mean of its divisors is an integer number (535481460).

Almost surely, 2^3921872053 is an apocalyptic number.

It is an amenable number.

3921872053 is a deficient number, since it is larger than the sum of its proper divisors (361979627).

3921872053 is a wasteful number, since it uses less digits than its factorization.

3921872053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453827.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3921872053 is about 62624.8517203833. The cubic root of 3921872053 is about 1576.9979921664.

The spelling of 3921872053 in words is "three billion, nine hundred twenty-one million, eight hundred seventy-two thousand, fifty-three".