2147957908 has 6 divisors (see below), whose sum is σ = 3758926346. Its totient is φ = 1073978952.

The previous prime is 2147957899. The next prime is 2147957927. The reversal of 2147957908 is 8097597412.

It can be written as a sum of positive squares in only one way, i.e., 2142949264 + 5008644 = 46292^2 + 2238^2 .

It is a super-2 number, since 2×2147957908² = 9227446349079472928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268494735 + ... + 268494742.

Almost surely, 2^2147957908 is an apocalyptic number.

It is an amenable number.

2147957908 is a deficient number, since it is larger than the sum of its proper divisors (1610968438).

2147957908 is a wasteful number, since it uses less digits than its factorization.

2147957908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536989481 (or 536989479 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 2147957908 is about 46346.0668018334. The cubic root of 2147957908 is about 1290.2541229623.

The spelling of 2147957908 in words is "two billion, one hundred forty-seven million, nine hundred fifty-seven thousand, nine hundred eight".