3972499201 has 4 divisors (see below), whose sum is σ = 4333635504. Its totient is φ = 3611362900.

The previous prime is 3972499189. The next prime is 3972499217. The reversal of 3972499201 is 1029942793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1029942793 = 11 ⋅93631163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3972499201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3972499231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180568135 + ... + 180568156.

It is an arithmetic number, because the mean of its divisors is an integer number (1083408876).

Almost surely, 2^3972499201 is an apocalyptic number.

It is an amenable number.

3972499201 is a deficient number, since it is larger than the sum of its proper divisors (361136303).

3972499201 is a wasteful number, since it uses less digits than its factorization.

3972499201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361136302.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 3972499201 is about 63027.7653181517. The cubic root of 3972499201 is about 1583.7547831098.

The spelling of 3972499201 in words is "three billion, nine hundred seventy-two million, four hundred ninety-nine thousand, two hundred one".