3980945492 has 6 divisors (see below), whose sum is σ = 6966654618. Its totient is φ = 1990472744.

The previous prime is 3980945489. The next prime is 3980945497. The reversal of 3980945492 is 2945490893.

It can be written as a sum of positive squares in only one way, i.e., 3725393296 + 255552196 = 61036^2 + 15986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980945497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497618183 + ... + 497618190.

It is an arithmetic number, because the mean of its divisors is an integer number (1161109103).

Almost surely, 2^3980945492 is an apocalyptic number.

It is an amenable number.

3980945492 is a deficient number, since it is larger than the sum of its proper divisors (2985709126).

3980945492 is a wasteful number, since it uses less digits than its factorization.

3980945492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995236377 (or 995236375 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 3980945492 is about 63094.7342652301. The cubic root of 3980945492 is about 1584.8764434463.

The spelling of 3980945492 in words is "three billion, nine hundred eighty million, nine hundred forty-five thousand, four hundred ninety-two".