3902763779413 has 4 divisors (see below), whose sum is σ = 3902919684300. Its totient is φ = 3902607874528.

The previous prime is 3902763779381. The next prime is 3902763779443. The reversal of 3902763779413 is 3149773672093.

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 3307531470244 + 595232309169 = 1818662^2 + 771513^2 .

It is a cyclic number.

It is not a de Polignac number, because 3902763779413 - 2⁵ = 3902763779381 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 (3902763779443) 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, 77914888 + ... + 77964961.

It is an arithmetic number, because the mean of its divisors is an integer number (975729921075).

Almost surely, 2^{3902763779413} is an apocalyptic number.

It is an amenable number.

3902763779413 is a deficient number, since it is larger than the sum of its proper divisors (155904887).

3902763779413 is a wasteful number, since it uses less digits than its factorization.

3902763779413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155904886.

The product of its (nonzero) digits is 36006768, while the sum is 61.

The spelling of 3902763779413 in words is "three trillion, nine hundred two billion, seven hundred sixty-three million, seven hundred seventy-nine thousand, four hundred thirteen".