1284708450490 has 32 divisors (see below), whose sum is σ = 2339417687040. Its totient is φ = 507900902784.

The previous prime is 1284708450439. The next prime is 1284708450499. The reversal of 1284708450490 is 940548074821.

It is not an unprimeable number, because it can be changed into a prime (1284708450499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882879 + ... + 2472781.

It is an arithmetic number, because the mean of its divisors is an integer number (73106802720).

Almost surely, 2^{1284708450490} is an apocalyptic number.

1284708450490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1284708450490 is a deficient number, since it is larger than the sum of its proper divisors (1054709236550).

1284708450490 is a wasteful number, since it uses less digits than its factorization.

1284708450490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592446.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 1284708450490 in words is "one trillion, two hundred eighty-four billion, seven hundred eight million, four hundred fifty thousand, four hundred ninety".