3628991155477 has 4 divisors (see below), whose sum is σ = 3629400710796. Its totient is φ = 3628581600160.

The previous prime is 3628991155463. The next prime is 3628991155553. The reversal of 3628991155477 is 7745511998263.

3628991155477 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3310092641956 + 318898513521 = 1819366^2 + 564711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628991155477 - 2²³ = 3628982766869 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3628991155877) 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, 204764368 + ... + 204782089.

It is an arithmetic number, because the mean of its divisors is an integer number (907350177699).

Almost surely, 2^{3628991155477} is an apocalyptic number.

It is an amenable number.

3628991155477 is a deficient number, since it is larger than the sum of its proper divisors (409555319).

3628991155477 is an equidigital number, since it uses as much as digits as its factorization.

3628991155477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409555318.

The product of its digits is 114307200, while the sum is 67.

The spelling of 3628991155477 in words is "three trillion, six hundred twenty-eight billion, nine hundred ninety-one million, one hundred fifty-five thousand, four hundred seventy-seven".