2139435983801 has 2 divisors, whose sum is σ = 2139435983802. Its totient is φ = 2139435983800.

The previous prime is 2139435983767. The next prime is 2139435983807. The reversal of 2139435983801 is 1083895349312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1101229866025 + 1038206117776 = 1049395^2 + 1018924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139435983801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139435983807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069717991900 + 1069717991901.

It is an arithmetic number, because the mean of its divisors is an integer number (1069717991901).

Almost surely, 2^{2139435983801} is an apocalyptic number.

It is an amenable number.

2139435983801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139435983801 is an equidigital number, since it uses as much as digits as its factorization.

2139435983801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 2139435983801 in words is "two trillion, one hundred thirty-nine billion, four hundred thirty-five million, nine hundred eighty-three thousand, eight hundred one".