783874731002149 has 2 divisors, whose sum is σ = 783874731002150. Its totient is φ = 783874731002148.

The previous prime is 783874731002101. The next prime is 783874731002219. The reversal of 783874731002149 is 941200137478387.

783874731002149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474429690899649 + 309445040102500 = 21781407^2 + 17591050^2 .

It is a cyclic number.

It is not a de Polignac number, because 783874731002149 - 2¹³ = 783874730993957 is a prime.

It is a super-2 number, since 2×783874731002149² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783874731000149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391937365501074 + 391937365501075.

It is an arithmetic number, because the mean of its divisors is an integer number (391937365501075).

Almost surely, 2^{783874731002149} is an apocalyptic number.

It is an amenable number.

783874731002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

783874731002149 is an equidigital number, since it uses as much as digits as its factorization.

783874731002149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 783874731002149 in words is "seven hundred eighty-three trillion, eight hundred seventy-four billion, seven hundred thirty-one million, two thousand, one hundred forty-nine".