3983899501 has 2 divisors, whose sum is σ = 3983899502. Its totient is φ = 3983899500.

The previous prime is 3983899477. The next prime is 3983899511. The reversal of 3983899501 is 1059983893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2840783401 + 1143116100 = 53299^2 + 33810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3983899501 - 2²⁹ = 3447028589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3983899511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1991949750 + 1991949751.

It is an arithmetic number, because the mean of its divisors is an integer number (1991949751).

Almost surely, 2^3983899501 is an apocalyptic number.

It is an amenable number.

3983899501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3983899501 is an equidigital number, since it uses as much as digits as its factorization.

3983899501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 3983899501 is about 63118.1392390492. The cubic root of 3983899501 is about 1585.2683588641.

The spelling of 3983899501 in words is "three billion, nine hundred eighty-three million, eight hundred ninety-nine thousand, five hundred one".