386550649757 has 2 divisors, whose sum is σ = 386550649758. Its totient is φ = 386550649756.

The previous prime is 386550649733. The next prime is 386550649801. The reversal of 386550649757 is 757946055683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370904142361 + 15646507396 = 609019^2 + 125086^2 .

It is a cyclic number.

It is not a de Polignac number, because 386550649757 - 2⁸ = 386550649501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386550649693 and 386550649702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386550649357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193275324878 + 193275324879.

It is an arithmetic number, because the mean of its divisors is an integer number (193275324879).

Almost surely, 2^386550649757 is an apocalyptic number.

It is an amenable number.

386550649757 is a deficient number, since it is larger than the sum of its proper divisors (1).

386550649757 is an equidigital number, since it uses as much as digits as its factorization.

386550649757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512000, while the sum is 65.

The spelling of 386550649757 in words is "three hundred eighty-six billion, five hundred fifty million, six hundred forty-nine thousand, seven hundred fifty-seven".