1603652643431 has 8 divisors (see below), whose sum is σ = 1615845534000. Its totient is φ = 1591478821440.

The previous prime is 1603652643391. The next prime is 1603652643533. The reversal of 1603652643431 is 1343462563061.

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

It is a cyclic number.

It is not a de Polignac number, because 1603652643431 - 2²² = 1603648449127 is a prime.

It is a super-2 number, since 2×1603652643431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603652645431) 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, 4598285 + ... + 4934726.

It is an arithmetic number, because the mean of its divisors is an integer number (201980691750).

Almost surely, 2^{1603652643431} is an apocalyptic number.

1603652643431 is a deficient number, since it is larger than the sum of its proper divisors (12192890569).

1603652643431 is a wasteful number, since it uses less digits than its factorization.

1603652643431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534289.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 1603652643431 in words is "one trillion, six hundred three billion, six hundred fifty-two million, six hundred forty-three thousand, four hundred thirty-one".