2069881964 has 24 divisors (see below), whose sum is σ = 3978723840. Its totient is φ = 937840464.

The previous prime is 2069881949. The next prime is 2069881969. The reversal of 2069881964 is 4691889602.

It is a happy number.

It is a super-2 number, since 2×2069881964² = 8568822689784994592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2069881969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590324 + ... + 593819.

It is an arithmetic number, because the mean of its divisors is an integer number (165780160).

Almost surely, 2^2069881964 is an apocalyptic number.

It is an amenable number.

2069881964 is a deficient number, since it is larger than the sum of its proper divisors (1908841876).

2069881964 is a wasteful number, since it uses less digits than its factorization.

2069881964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184189 (or 1184187 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 2069881964 is about 45495.9554685908. The cubic root of 2069881964 is about 1274.4276737215.

The spelling of 2069881964 in words is "two billion, sixty-nine million, eight hundred eighty-one thousand, nine hundred sixty-four".