3996754537651 has 4 divisors (see below), whose sum is σ = 4062275103904. Its totient is φ = 3931233971400.

The previous prime is 3996754537621. The next prime is 3996754537673. The reversal of 3996754537651 is 1567354576993.

3996754537651 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 3996754537651 - 2¹³ = 3996754529459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3996754537621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32760283035 + ... + 32760283156.

It is an arithmetic number, because the mean of its divisors is an integer number (1015568775976).

Almost surely, 2^{3996754537651} is an apocalyptic number.

3996754537651 is a deficient number, since it is larger than the sum of its proper divisors (65520566253).

3996754537651 is an equidigital number, since it uses as much as digits as its factorization.

3996754537651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65520566252.

The product of its digits is 642978000, while the sum is 70.

The spelling of 3996754537651 in words is "three trillion, nine hundred ninety-six billion, seven hundred fifty-four million, five hundred thirty-seven thousand, six hundred fifty-one".