1004002047157 has 4 divisors (see below), whose sum is σ = 1005360643360. Its totient is φ = 1002643450956.

The previous prime is 1004002047143. The next prime is 1004002047233. The reversal of 1004002047157 is 7517402004001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004002047157 is a prime.

It is a super-2 number, since 2×1004002047157² (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 (1004002047107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679296993 + ... + 679298470.

It is an arithmetic number, because the mean of its divisors is an integer number (251340160840).

Almost surely, 2^{1004002047157} is an apocalyptic number.

It is an amenable number.

1004002047157 is a deficient number, since it is larger than the sum of its proper divisors (1358596203).

1004002047157 is an equidigital number, since it uses as much as digits as its factorization.

1004002047157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358596202.

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 1004002047157 in words is "one trillion, four billion, two million, forty-seven thousand, one hundred fifty-seven".