4019902973 has 2 divisors, whose sum is σ = 4019902974. Its totient is φ = 4019902972.

The previous prime is 4019902969. The next prime is 4019902981. The reversal of 4019902973 is 3792099104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3662428324 + 357474649 = 60518^2 + 18907^2 .

It is a cyclic number.

It is not a de Polignac number, because 4019902973 - 2² = 4019902969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4019902273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009951486 + 2009951487.

It is an arithmetic number, because the mean of its divisors is an integer number (2009951487).

Almost surely, 2^4019902973 is an apocalyptic number.

It is an amenable number.

4019902973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4019902973 is an equidigital number, since it uses as much as digits as its factorization.

4019902973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 4019902973 is about 63402.7047766891. The cubic root of 4019902973 is about 1590.0295305882.

The spelling of 4019902973 in words is "four billion, nineteen million, nine hundred two thousand, nine hundred seventy-three".