1868077076473 has 2 divisors, whose sum is σ = 1868077076474. Its totient is φ = 1868077076472.

The previous prime is 1868077076363. The next prime is 1868077076479. The reversal of 1868077076473 is 3746707708681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736733893904 + 131343182569 = 1317852^2 + 362413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1868077076473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1868077076479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934038538236 + 934038538237.

It is an arithmetic number, because the mean of its divisors is an integer number (934038538237).

Almost surely, 2^{1868077076473} is an apocalyptic number.

It is an amenable number.

1868077076473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868077076473 is an equidigital number, since it uses as much as digits as its factorization.

1868077076473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66382848, while the sum is 64.

The spelling of 1868077076473 in words is "one trillion, eight hundred sixty-eight billion, seventy-seven million, seventy-six thousand, four hundred seventy-three".