10294308781 has 2 divisors, whose sum is σ = 10294308782. Its totient is φ = 10294308780.

The previous prime is 10294308769. The next prime is 10294308931. The reversal of 10294308781 is 18780349201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7937206281 + 2357102500 = 89091^2 + 48550^2 .

It is a cyclic number.

It is not a de Polignac number, because 10294308781 - 2⁷ = 10294308653 is a prime.

It is a super-2 number, since 2×10294308781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10294308721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5147154390 + 5147154391.

It is an arithmetic number, because the mean of its divisors is an integer number (5147154391).

Almost surely, 2^10294308781 is an apocalyptic number.

It is an amenable number.

10294308781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10294308781 is an equidigital number, since it uses as much as digits as its factorization.

10294308781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 10294308781 in words is "ten billion, two hundred ninety-four million, three hundred eight thousand, seven hundred eighty-one".