3921372471 has 16 divisors (see below), whose sum is σ = 5396928768. Its totient is φ = 2531006400.

The previous prime is 3921372467. The next prime is 3921372577. The reversal of 3921372471 is 1742731293.

It is not a de Polignac number, because 3921372471 - 2² = 3921372467 is a prime.

It is a super-3 number, since 3×3921372471³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921370471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105571 + ... + 137796.

It is an arithmetic number, because the mean of its divisors is an integer number (337308048).

Almost surely, 2^3921372471 is an apocalyptic number.

3921372471 is a deficient number, since it is larger than the sum of its proper divisors (1475556297).

3921372471 is a wasteful number, since it uses less digits than its factorization.

3921372471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243542.

The product of its digits is 63504, while the sum is 39.

The square root of 3921372471 is about 62620.8629052650. The cubic root of 3921372471 is about 1576.9310281200.

The spelling of 3921372471 in words is "three billion, nine hundred twenty-one million, three hundred seventy-two thousand, four hundred seventy-one".