1283501794450 has 24 divisors (see below), whose sum is σ = 2387764012608. Its totient is φ = 513303798480.

The previous prime is 1283501794433. The next prime is 1283501794577. The reversal of 1283501794450 is 544971053821.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1283501794394 and 1283501794403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2155182 + ... + 2685481.

It is an arithmetic number, because the mean of its divisors is an integer number (99490167192).

Almost surely, 2^{1283501794450} is an apocalyptic number.

1283501794450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283501794450 is a deficient number, since it is larger than the sum of its proper divisors (1104262218158).

1283501794450 is a wasteful number, since it uses less digits than its factorization.

1283501794450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845978 (or 4845973 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 1283501794450 in words is "one trillion, two hundred eighty-three billion, five hundred one million, seven hundred ninety-four thousand, four hundred fifty".