42431025251603 has 8 divisors (see below), whose sum is σ = 44927752341600. Its totient is φ = 39934385320320.

The previous prime is 42431025251557. The next prime is 42431025251627. The reversal of 42431025251603 is 30615252013424.

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 42431025251603 - 2¹⁸ = 42431024989459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42431025251003) 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, 20786063 + ... + 22735928.

It is an arithmetic number, because the mean of its divisors is an integer number (5615969042700).

Almost surely, 2^{42431025251603} is an apocalyptic number.

42431025251603 is a deficient number, since it is larger than the sum of its proper divisors (2496727089997).

42431025251603 is a wasteful number, since it uses less digits than its factorization.

42431025251603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43579357.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 42431025251603 in words is "forty-two trillion, four hundred thirty-one billion, twenty-five million, two hundred fifty-one thousand, six hundred three".