1010284504781 has 4 divisors (see below), whose sum is σ = 1020699809052. Its totient is φ = 999869200512.

The previous prime is 1010284504759. The next prime is 1010284504799. The reversal of 1010284504781 is 1874054820101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412228202500 + 598056302281 = 642050^2 + 773341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010284504781 - 2²² = 1010280310477 is a prime.

It is a super-2 number, since 2×1010284504781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010284504381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5207651990 + ... + 5207652183.

It is an arithmetic number, because the mean of its divisors is an integer number (255174952263).

Almost surely, 2^{1010284504781} is an apocalyptic number.

It is an amenable number.

1010284504781 is a deficient number, since it is larger than the sum of its proper divisors (10415304271).

1010284504781 is an equidigital number, since it uses as much as digits as its factorization.

1010284504781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415304270.

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 1010284504781 in words is "one trillion, ten billion, two hundred eighty-four million, five hundred four thousand, seven hundred eighty-one".