1283716660537 has 8 divisors (see below), whose sum is σ = 1296168959232. Its totient is φ = 1271321092800.

The previous prime is 1283716660463. The next prime is 1283716660553. The reversal of 1283716660537 is 7350666173821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283716660537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283716661537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14137264 + ... + 14227777.

It is an arithmetic number, because the mean of its divisors is an integer number (162021119904).

Almost surely, 2^{1283716660537} is an apocalyptic number.

It is an amenable number.

1283716660537 is a deficient number, since it is larger than the sum of its proper divisors (12452298695).

1283716660537 is a wasteful number, since it uses less digits than its factorization.

1283716660537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28365479.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 1283716660537 in words is "one trillion, two hundred eighty-three billion, seven hundred sixteen million, six hundred sixty thousand, five hundred thirty-seven".