3996831451 has 4 divisors (see below), whose sum is σ = 3997000000. Its totient is φ = 3996662904.

The previous prime is 3996831409. The next prime is 3996831479. The reversal of 3996831451 is 1541386993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3996831451 - 2⁷ = 3996831323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3996831395 and 3996831404.

It is not an unprimeable number, because it can be changed into a prime (3996831401) 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, 41451 + ... + 98548.

It is an arithmetic number, because the mean of its divisors is an integer number (999250000).

Almost surely, 2^3996831451 is an apocalyptic number.

3996831451 is a deficient number, since it is larger than the sum of its proper divisors (168549).

3996831451 is a wasteful number, since it uses less digits than its factorization.

3996831451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168548.

The product of its digits is 699840, while the sum is 49.

The square root of 3996831451 is about 63220.4986614310. The cubic root of 3996831451 is about 1586.9817947443.

The spelling of 3996831451 in words is "three billion, nine hundred ninety-six million, eight hundred thirty-one thousand, four hundred fifty-one".