1677278843153 has 2 divisors, whose sum is σ = 1677278843154. Its totient is φ = 1677278843152.

The previous prime is 1677278843117. The next prime is 1677278843161. The reversal of 1677278843153 is 3513488727761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1541389291729 + 135889551424 = 1241527^2 + 368632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677278843153 - 2²² = 1677274648849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1677278846153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838639421576 + 838639421577.

It is an arithmetic number, because the mean of its divisors is an integer number (838639421577).

Almost surely, 2^{1677278843153} is an apocalyptic number.

It is an amenable number.

1677278843153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677278843153 is an equidigital number, since it uses as much as digits as its factorization.

1677278843153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 62.

The spelling of 1677278843153 in words is "one trillion, six hundred seventy-seven billion, two hundred seventy-eight million, eight hundred forty-three thousand, one hundred fifty-three".