1639303913143 has 8 divisors (see below), whose sum is σ = 1765414197008. Its totient is φ = 1513195055424.

The previous prime is 1639303913057. The next prime is 1639303913237. The reversal of 1639303913143 is 3413193039361.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1639303913143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1639303913093 and 1639303913102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1639303913543) 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, 4026880 + ... + 4415242.

It is an arithmetic number, because the mean of its divisors is an integer number (220676774626).

Almost surely, 2^{1639303913143} is an apocalyptic number.

1639303913143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1639303913143 is a deficient number, since it is larger than the sum of its proper divisors (126110283865).

1639303913143 is a wasteful number, since it uses less digits than its factorization.

1639303913143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713073.

The product of its (nonzero) digits is 472392, while the sum is 46.

The spelling of 1639303913143 in words is "one trillion, six hundred thirty-nine billion, three hundred three million, nine hundred thirteen thousand, one hundred forty-three".