1357984718845 has 8 divisors (see below), whose sum is σ = 1629599801400. Its totient is φ = 1086375682560.

The previous prime is 1357984718843. The next prime is 1357984718861. The reversal of 1357984718845 is 5488174897531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140047344441 + 1217937374404 = 374229^2 + 1103602^2 .

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

It is not a de Polignac number, because 1357984718845 - 2¹ = 1357984718843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357984718843) 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, 1001820 + ... + 1928629.

It is an arithmetic number, because the mean of its divisors is an integer number (203699975175).

Almost surely, 2^{1357984718845} is an apocalyptic number.

It is an amenable number.

1357984718845 is a deficient number, since it is larger than the sum of its proper divisors (271615082555).

1357984718845 is an equidigital number, since it uses as much as digits as its factorization.

1357984718845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023135.

The product of its digits is 270950400, while the sum is 70.

The spelling of 1357984718845 in words is "one trillion, three hundred fifty-seven billion, nine hundred eighty-four million, seven hundred eighteen thousand, eight hundred forty-five".