1430078512873 has 2 divisors, whose sum is σ = 1430078512874. Its totient is φ = 1430078512872.

The previous prime is 1430078512813. The next prime is 1430078512943. The reversal of 1430078512873 is 3782158700341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104079765504 + 325998747369 = 1050752^2 + 570963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430078512873 - 2²¹ = 1430076415721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430078512813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715039256436 + 715039256437.

It is an arithmetic number, because the mean of its divisors is an integer number (715039256437).

Almost surely, 2^{1430078512873} is an apocalyptic number.

It is an amenable number.

1430078512873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430078512873 is an equidigital number, since it uses as much as digits as its factorization.

1430078512873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 1430078512873 in words is "one trillion, four hundred thirty billion, seventy-eight million, five hundred twelve thousand, eight hundred seventy-three".