3942702669376 has 21 divisors (see below), whose sum is σ = 7823832131451. Its totient is φ = 1971343392192.

The previous prime is 3942702669343. The next prime is 3942702669383. The reversal of 3942702669376 is 6739662072493.

The square root of 3942702669376 is 1985624.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15760891 + ... + 16009093.

It is an arithmetic number, because the mean of its divisors is an integer number (372563434831).

Almost surely, 2^{3942702669376} is an apocalyptic number.

3942702669376 is the 1985624-th square number.

It is an amenable number.

3942702669376 is a deficient number, since it is larger than the sum of its proper divisors (3881129462075).

3942702669376 is an frugal number, since it uses more digits than its factorization.

3942702669376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496418 (or 248205 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 64.

Multiplying 3942702669376 by its sum of digits (64), we get a square (252332970840064 = 15884992²).

3942702669376 divided by its sum of digits (64) gives a square (61604729209 = 248203²).

The spelling of 3942702669376 in words is "three trillion, nine hundred forty-two billion, seven hundred two million, six hundred sixty-nine thousand, three hundred seventy-six".