1357706666747 has 4 divisors (see below), whose sum is σ = 1362608135136. Its totient is φ = 1352805198360.

The previous prime is 1357706666639. The next prime is 1357706666807. The reversal of 1357706666747 is 7476666077531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1357706666747 - 2¹⁰ = 1357706665723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357706666447) 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, 2450733779 + ... + 2450734332.

It is an arithmetic number, because the mean of its divisors is an integer number (340652033784).

Almost surely, 2^{1357706666747} is an apocalyptic number.

1357706666747 is a deficient number, since it is larger than the sum of its proper divisors (4901468389).

1357706666747 is an equidigital number, since it uses as much as digits as its factorization.

1357706666747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901468388.

The product of its (nonzero) digits is 186701760, while the sum is 65.

The spelling of 1357706666747 in words is "one trillion, three hundred fifty-seven billion, seven hundred six million, six hundred sixty-six thousand, seven hundred forty-seven".