2039967556 has 27 divisors (see below), whose sum is σ = 3925899453. Its totient is φ = 926806320.

The previous prime is 2039967541. The next prime is 2039967557. The reversal of 2039967556 is 6557699302.

The square root of 2039967556 is 45166.

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

It can be written as a sum of positive squares in only one way, i.e., 1053002500 + 986965056 = 32450^2 + 31416^2 .

It is a super-2 number, since 2×2039967556² = 8322935259065226272, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039967557) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 992626 + ... + 994678.

Almost surely, 2^2039967556 is an apocalyptic number.

2039967556 is the 45166-th square number.

It is an amenable number.

2039967556 is a deficient number, since it is larger than the sum of its proper divisors (1885931897).

2039967556 is an equidigital number, since it uses as much as digits as its factorization.

2039967556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 52.

The cubic root of 2039967556 is about 1268.2584175782.

The spelling of 2039967556 in words is "two billion, thirty-nine million, nine hundred sixty-seven thousand, five hundred fifty-six".