3673928778429 has 48 divisors (see below), whose sum is σ = 6152617830912. Its totient is φ = 1908972546624.

The previous prime is 3673928778427. The next prime is 3673928778437. The reversal of 3673928778429 is 9248778293763.

It is not a de Polignac number, because 3673928778429 - 2¹ = 3673928778427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673928778427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7487599 + ... + 7963164.

It is an arithmetic number, because the mean of its divisors is an integer number (128179538144).

Almost surely, 2^{3673928778429} is an apocalyptic number.

3673928778429 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3673928778429 is a deficient number, since it is larger than the sum of its proper divisors (2478689052483).

3673928778429 is a wasteful number, since it uses less digits than its factorization.

3673928778429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15450866 (or 15450853 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 75.

The spelling of 3673928778429 in words is "three trillion, six hundred seventy-three billion, nine hundred twenty-eight million, seven hundred seventy-eight thousand, four hundred twenty-nine".