3976322918401 has 4 divisors (see below), whose sum is σ = 3976327913904. Its totient is φ = 3976317922900.

The previous prime is 3976322918357. The next prime is 3976322918411. The reversal of 3976322918401 is 1048192236793.

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 3976322918401 - 2⁷ = 3976322918273 is a prime.

It is a super-2 number, since 2×3976322918401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3976322918411) 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, 1007335 + ... + 2994556.

It is an arithmetic number, because the mean of its divisors is an integer number (994081978476).

Almost surely, 2^{3976322918401} is an apocalyptic number.

It is an amenable number.

3976322918401 is a deficient number, since it is larger than the sum of its proper divisors (4995503).

3976322918401 is an equidigital number, since it uses as much as digits as its factorization.

3976322918401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995502.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 3976322918401 in words is "three trillion, nine hundred seventy-six billion, three hundred twenty-two million, nine hundred eighteen thousand, four hundred one".