1013521060641 has 4 divisors (see below), whose sum is σ = 1351361414192. Its totient is φ = 675680707092.

The previous prime is 1013521060609. The next prime is 1013521060723. The reversal of 1013521060641 is 1460601253101.

It is a happy number.

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 not a de Polignac number, because 1013521060641 - 2⁵ = 1013521060609 is a prime.

It is a super-3 number, since 3×1013521060641³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013521060599 and 1013521060608.

It is not an unprimeable number, because it can be changed into a prime (1013521070641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168920176771 + ... + 168920176776.

It is an arithmetic number, because the mean of its divisors is an integer number (337840353548).

Almost surely, 2^{1013521060641} is an apocalyptic number.

It is an amenable number.

1013521060641 is a deficient number, since it is larger than the sum of its proper divisors (337840353551).

1013521060641 is an equidigital number, since it uses as much as digits as its factorization.

1013521060641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337840353550.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 1013521060641 in words is "one trillion, thirteen billion, five hundred twenty-one million, sixty thousand, six hundred forty-one".