3974782266036 has 36 divisors (see below), whose sum is σ = 10236939237252. Its totient is φ = 1299928790784.

The previous prime is 3974782265981. The next prime is 3974782266043. The reversal of 3974782266036 is 6306622874793.

It can be written as a sum of positive squares in 2 ways, for example, as 3658780886436 + 316001379600 = 1912794^2 + 562140^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041607701 + ... + 1041611516.

It is an arithmetic number, because the mean of its divisors is an integer number (284359423257).

Almost surely, 2^{3974782266036} is an apocalyptic number.

3974782266036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3974782266036 is an abundant number, since it is smaller than the sum of its proper divisors (6262156971216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3974782266036 is a wasteful number, since it uses less digits than its factorization.

3974782266036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083219280 (or 2083219275 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 63.

The spelling of 3974782266036 in words is "three trillion, nine hundred seventy-four billion, seven hundred eighty-two million, two hundred sixty-six thousand, thirty-six".