1973214018 has 48 divisors (see below), whose sum is σ = 4310560800. Its totient is φ = 652334400.

The previous prime is 1973214013. The next prime is 1973214053. The reversal of 1973214018 is 8104123791.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1973214013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1935913 + ... + 1936931.

It is an arithmetic number, because the mean of its divisors is an integer number (89803350).

Almost surely, 2^1973214018 is an apocalyptic number.

1973214018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1973214018 is an abundant number, since it is smaller than the sum of its proper divisors (2337346782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973214018 is a wasteful number, since it uses less digits than its factorization.

1973214018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1973214018 is about 44420.8736744337. The cubic root of 1973214018 is about 1254.2710470776.

The spelling of 1973214018 in words is "one billion, nine hundred seventy-three million, two hundred fourteen thousand, eighteen".