2467698781 has 2 divisors, whose sum is σ = 2467698782. Its totient is φ = 2467698780.

The previous prime is 2467698743. The next prime is 2467698809. The reversal of 2467698781 is 1878967642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1906719556 + 560979225 = 43666^2 + 23685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2467698781 - 2⁹ = 2467698269 is a prime.

It is a super-2 number, since 2×2467698781² = 12179074547497771922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2467698581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233849390 + 1233849391.

It is an arithmetic number, because the mean of its divisors is an integer number (1233849391).

Almost surely, 2^2467698781 is an apocalyptic number.

It is an amenable number.

2467698781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2467698781 is an equidigital number, since it uses as much as digits as its factorization.

2467698781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 58.

The square root of 2467698781 is about 49675.9376459066. The cubic root of 2467698781 is about 1351.3381849312.

The spelling of 2467698781 in words is "two billion, four hundred sixty-seven million, six hundred ninety-eight thousand, seven hundred eighty-one".