3907661829994 has 16 divisors (see below), whose sum is σ = 6313919211432. Its totient is φ = 1803095540928.

The previous prime is 3907661829983. The next prime is 3907661829997. The reversal of 3907661829994 is 4999281667093.

It can be written as a sum of positive squares in 4 ways, for example, as 1766605164769 + 2141056665225 = 1329137^2 + 1463235^2 .

It is not an unprimeable number, because it can be changed into a prime (3907661829997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18253549 + ... + 18466384.

Almost surely, 2^{3907661829994} is an apocalyptic number.

3907661829994 is a deficient number, since it is larger than the sum of its proper divisors (2406257381438).

3907661829994 is a wasteful number, since it uses less digits than its factorization.

3907661829994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36724041.

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 3907661829994 in words is "three trillion, nine hundred seven billion, six hundred sixty-one million, eight hundred twenty-nine thousand, nine hundred ninety-four".