141585644993 has 4 divisors (see below), whose sum is σ = 152476848468. Its totient is φ = 130694441520.

The previous prime is 141585644971. The next prime is 141585644999. The reversal of 141585644993 is 399446585141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55069070224 + 86516574769 = 234668^2 + 294137^2 .

It is a cyclic number.

It is not a de Polignac number, because 141585644993 - 2¹⁴ = 141585628609 is a prime.

It is a super-4 number, since 4×141585644993⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141585644999) 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, 5445601718 + ... + 5445601743.

It is an arithmetic number, because the mean of its divisors is an integer number (38119212117).

Almost surely, 2^141585644993 is an apocalyptic number.

141585644993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

141585644993 is a deficient number, since it is larger than the sum of its proper divisors (10891203475).

141585644993 is a wasteful number, since it uses less digits than its factorization.

141585644993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891203474.

The product of its digits is 18662400, while the sum is 59.

The spelling of 141585644993 in words is "one hundred forty-one billion, five hundred eighty-five million, six hundred forty-four thousand, nine hundred ninety-three".