2123819948 has 6 divisors (see below), whose sum is σ = 3716684916. Its totient is φ = 1061909972.

The previous prime is 2123819939. The next prime is 2123819953. The reversal of 2123819948 is 8499183212.

It is a super-2 number, since 2×2123819948² = 9021222343045445408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265477490 + ... + 265477497.

It is an arithmetic number, because the mean of its divisors is an integer number (619447486).

Almost surely, 2^2123819948 is an apocalyptic number.

It is an amenable number.

2123819948 is a deficient number, since it is larger than the sum of its proper divisors (1592864968).

2123819948 is a wasteful number, since it uses less digits than its factorization.

2123819948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530954991 (or 530954989 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 2123819948 is about 46084.9210479957. The cubic root of 2123819948 is about 1285.4027711868.

The spelling of 2123819948 in words is "two billion, one hundred twenty-three million, eight hundred nineteen thousand, nine hundred forty-eight".