1435800800873 has 2 divisors, whose sum is σ = 1435800800874. Its totient is φ = 1435800800872.

The previous prime is 1435800800851. The next prime is 1435800800879. The reversal of 1435800800873 is 3780080085341.

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., 1105856250409 + 329944550464 = 1051597^2 + 574408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1435800800873 - 2¹⁶ = 1435800735337 is a prime.

It is a super-3 number, since 3×1435800800873³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1435800800879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717900400436 + 717900400437.

It is an arithmetic number, because the mean of its divisors is an integer number (717900400437).

Almost surely, 2^{1435800800873} is an apocalyptic number.

It is an amenable number.

1435800800873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1435800800873 is an equidigital number, since it uses as much as digits as its factorization.

1435800800873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 1435800800873 in words is "one trillion, four hundred thirty-five billion, eight hundred million, eight hundred thousand, eight hundred seventy-three".