1000249367858 has 32 divisors (see below), whose sum is σ = 1653540932736. Its totient is φ = 450869142528.

The previous prime is 1000249367857. The next prime is 1000249367861. The reversal of 1000249367858 is 8587639420001.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1000249367857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11681810 + ... + 11767122.

It is an arithmetic number, because the mean of its divisors is an integer number (51673154148).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1000249367858 = 2000498735716, but 3⋅1000249367858 = 3000748103574 is not.

Almost surely, 2^{1000249367858} is an apocalyptic number.

1000249367858 is a deficient number, since it is larger than the sum of its proper divisors (653291564878).

1000249367858 is a wasteful number, since it uses less digits than its factorization.

1000249367858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95858.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 1000249367858 in words is "one trillion, two hundred forty-nine million, three hundred sixty-seven thousand, eight hundred fifty-eight".