1023162556349 has 2 divisors, whose sum is σ = 1023162556350. Its totient is φ = 1023162556348.

The previous prime is 1023162556313. The next prime is 1023162556417. The reversal of 1023162556349 is 9436552613201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937324104025 + 85838452324 = 968155^2 + 292982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023162556349 - 2²⁸ = 1022894120893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023162556309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511581278174 + 511581278175.

It is an arithmetic number, because the mean of its divisors is an integer number (511581278175).

Almost surely, 2^{1023162556349} is an apocalyptic number.

It is an amenable number.

1023162556349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023162556349 is an equidigital number, since it uses as much as digits as its factorization.

1023162556349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 1023162556349 in words is "one trillion, twenty-three billion, one hundred sixty-two million, five hundred fifty-six thousand, three hundred forty-nine".