1005190359431 has 4 divisors (see below), whose sum is σ = 1006165326864. Its totient is φ = 1004215392000.

The previous prime is 1005190359419. The next prime is 1005190359541. The reversal of 1005190359431 is 1349530915001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005190359431 is a prime.

It is a super-2 number, since 2×1005190359431² (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 (1005190359731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487482170 + ... + 487484231.

It is an arithmetic number, because the mean of its divisors is an integer number (251541331716).

Almost surely, 2^{1005190359431} is an apocalyptic number.

1005190359431 is a deficient number, since it is larger than the sum of its proper divisors (974967433).

1005190359431 is an equidigital number, since it uses as much as digits as its factorization.

1005190359431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974967432.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 1005190359431 in words is "one trillion, five billion, one hundred ninety million, three hundred fifty-nine thousand, four hundred thirty-one".