2666666962951 has 2 divisors, whose sum is σ = 2666666962952. Its totient is φ = 2666666962950.

The previous prime is 2666666962913. The next prime is 2666666963011. The reversal of 2666666962951 is 1592696666662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2666666962951 - 2²⁷ = 2666532745223 is a prime.

It is a super-2 number, since 2×2666666962951² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666666962151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333333481475 + 1333333481476.

It is an arithmetic number, because the mean of its divisors is an integer number (1333333481476).

Almost surely, 2^{2666666962951} is an apocalyptic number.

2666666962951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666666962951 is an equidigital number, since it uses as much as digits as its factorization.

2666666962951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453496320, while the sum is 70.

The spelling of 2666666962951 in words is "two trillion, six hundred sixty-six billion, six hundred sixty-six million, nine hundred sixty-two thousand, nine hundred fifty-one".