1047641013 has 16 divisors (see below), whose sum is σ = 1554773760. Its totient is φ = 697206528.

The previous prime is 1047641009. The next prime is 1047641029. The reversal of 1047641013 is 3101467401.

It is a happy number.

1047641013 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 641 + 0 + 13 = 666.

It is not a de Polignac number, because 1047641013 - 2² = 1047641009 is a prime.

It is a super-3 number, since 3×1047641013³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047641083) 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, 18045 + ... + 49202.

It is an arithmetic number, because the mean of its divisors is an integer number (97173360).

Almost surely, 2^1047641013 is an apocalyptic number.

It is an amenable number.

1047641013 is a deficient number, since it is larger than the sum of its proper divisors (507132747).

1047641013 is an equidigital number, since it uses as much as digits as its factorization.

1047641013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67833 (or 67827 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1047641013 is about 32367.2830648481. The cubic root of 1047641013 is about 1015.6346223347.

The spelling of 1047641013 in words is "one billion, forty-seven million, six hundred forty-one thousand, thirteen".