10206232451977 has 2 divisors, whose sum is σ = 10206232451978. Its totient is φ = 10206232451976.

The previous prime is 10206232451971. The next prime is 10206232451999. The reversal of 10206232451977 is 77915423260201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5699659660816 + 4506572791161 = 2387396^2 + 2122869^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206232451977 - 2²⁷ = 10206098234249 is a prime.

It is a super-2 number, since 2×10206232451977² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10206232451977.

It is not a weakly prime, because it can be changed into another prime (10206232451971) 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, 5103116225988 + 5103116225989.

It is an arithmetic number, because the mean of its divisors is an integer number (5103116225989).

Almost surely, 2^{10206232451977} is an apocalyptic number.

It is an amenable number.

10206232451977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206232451977 is an equidigital number, since it uses as much as digits as its factorization.

10206232451977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 10206232451977 in words is "ten trillion, two hundred six billion, two hundred thirty-two million, four hundred fifty-one thousand, nine hundred seventy-seven".