3626776783949 has 16 divisors (see below), whose sum is σ = 3964106014080. Its totient is φ = 3290721111360.

The previous prime is 3626776783939. The next prime is 3626776783963. The reversal of 3626776783949 is 9493876776263.

It is a cyclic number.

It is not a de Polignac number, because 3626776783949 - 2⁴ = 3626776783933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3626776783949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626776783909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23313944 + ... + 23468990.

It is an arithmetic number, because the mean of its divisors is an integer number (247756625880).

Almost surely, 2^{3626776783949} is an apocalyptic number.

It is an amenable number.

3626776783949 is a deficient number, since it is larger than the sum of its proper divisors (337329230131).

3626776783949 is a wasteful number, since it uses less digits than its factorization.

3626776783949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159140.

The product of its digits is 3456649728, while the sum is 77.

The spelling of 3626776783949 in words is "three trillion, six hundred twenty-six billion, seven hundred seventy-six million, seven hundred eighty-three thousand, nine hundred forty-nine".