1983287241903 has 16 divisors (see below), whose sum is σ = 2894178139776. Its totient is φ = 1198076977440.

The previous prime is 1983287241899. The next prime is 1983287242051. The reversal of 1983287241903 is 3091427823891.

It is a happy number.

It is not a de Polignac number, because 1983287241903 - 2² = 1983287241899 is a prime.

It is a super-2 number, since 2×1983287241903² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983287251903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97871976 + ... + 97892237.

It is an arithmetic number, because the mean of its divisors is an integer number (180886133736).

Almost surely, 2^{1983287241903} is an apocalyptic number.

1983287241903 is a deficient number, since it is larger than the sum of its proper divisors (910890897873).

1983287241903 is a wasteful number, since it uses less digits than its factorization.

1983287241903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195764534.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 1983287241903 in words is "one trillion, nine hundred eighty-three billion, two hundred eighty-seven million, two hundred forty-one thousand, nine hundred three".