3721456130477 has 4 divisors (see below), whose sum is σ = 3731275276320. Its totient is φ = 3711636984636.

The previous prime is 3721456130471. The next prime is 3721456130507. The reversal of 3721456130477 is 7740316541273.

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 3721456130477 - 2⁸ = 3721456130221 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 (3721456130471) 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, 4909572353 + ... + 4909573110.

It is an arithmetic number, because the mean of its divisors is an integer number (932818819080).

Almost surely, 2^{3721456130477} is an apocalyptic number.

It is an amenable number.

3721456130477 is a deficient number, since it is larger than the sum of its proper divisors (9819145843).

3721456130477 is an equidigital number, since it uses as much as digits as its factorization.

3721456130477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819145842.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 3721456130477 in words is "three trillion, seven hundred twenty-one billion, four hundred fifty-six million, one hundred thirty thousand, four hundred seventy-seven".