1677925013129 has 2 divisors, whose sum is σ = 1677925013130. Its totient is φ = 1677925013128.

The previous prime is 1677925013113. The next prime is 1677925013201. The reversal of 1677925013129 is 9213105297761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016362389904 + 661562623225 = 1008148^2 + 813365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677925013129 - 2⁴ = 1677925013113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1677925010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838962506564 + 838962506565.

It is an arithmetic number, because the mean of its divisors is an integer number (838962506565).

Almost surely, 2^{1677925013129} is an apocalyptic number.

It is an amenable number.

1677925013129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677925013129 is an equidigital number, since it uses as much as digits as its factorization.

1677925013129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The spelling of 1677925013129 in words is "one trillion, six hundred seventy-seven billion, nine hundred twenty-five million, thirteen thousand, one hundred twenty-nine".