3815452997 has 4 divisors (see below), whose sum is σ = 3896632896. Its totient is φ = 3734273100.

The previous prime is 3815452931. The next prime is 3815453017. The reversal of 3815452997 is 7992545183.

3815452997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 3815452997 - 2¹⁴ = 3815436613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3815452397) 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, 40589879 + ... + 40589972.

It is an arithmetic number, because the mean of its divisors is an integer number (974158224).

Almost surely, 2^3815452997 is an apocalyptic number.

It is an amenable number.

3815452997 is a deficient number, since it is larger than the sum of its proper divisors (81179899).

3815452997 is an equidigital number, since it uses as much as digits as its factorization.

3815452997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81179898.

The product of its digits is 2721600, while the sum is 53.

The square root of 3815452997 is about 61769.3532182425. The cubic root of 3815452997 is about 1562.6031757106.

The spelling of 3815452997 in words is "three billion, eight hundred fifteen million, four hundred fifty-two thousand, nine hundred ninety-seven".