10764115421 has 4 divisors (see below), whose sum is σ = 10769173500. Its totient is φ = 10759057344.

The previous prime is 10764115387. The next prime is 10764115433. The reversal of 10764115421 is 12451146701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12451146701 = 7 ⋅1778735243.

It can be written as a sum of positive squares in 2 ways, for example, as 4536696025 + 6227419396 = 67355^2 + 78914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10764115421 is a prime.

It is a super-2 number, since 2×10764115421² (a number of 21 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 (10764115121) 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, 2525846 + ... + 2530103.

It is an arithmetic number, because the mean of its divisors is an integer number (2692293375).

Almost surely, 2^10764115421 is an apocalyptic number.

It is an amenable number.

10764115421 is a deficient number, since it is larger than the sum of its proper divisors (5058079).

10764115421 is an equidigital number, since it uses as much as digits as its factorization.

10764115421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058078.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 10764115421 in words is "ten billion, seven hundred sixty-four million, one hundred fifteen thousand, four hundred twenty-one".