60764240021 has 4 divisors (see below), whose sum is σ = 60772049100. Its totient is φ = 60756430944.

The previous prime is 60764240011. The next prime is 60764240051. The reversal of 60764240021 is 12004246706.

60764240021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12004246706 = 2 ⋅6002123353.

It can be written as a sum of positive squares in 2 ways, for example, as 32030260900 + 28733979121 = 178970^2 + 169511^2 .

It is a cyclic number.

It is not a de Polignac number, because 60764240021 - 2⁶ = 60764239957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60764240021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60764240011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892856 + ... + 3908433.

It is an arithmetic number, because the mean of its divisors is an integer number (15193012275).

Almost surely, 2^60764240021 is an apocalyptic number.

It is an amenable number.

60764240021 is a deficient number, since it is larger than the sum of its proper divisors (7809079).

60764240021 is an equidigital number, since it uses as much as digits as its factorization.

60764240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7809078.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 60764240021 its reverse (12004246706), we get a palindrome (72768486727).

The spelling of 60764240021 in words is "sixty billion, seven hundred sixty-four million, two hundred forty thousand, twenty-one".