2665051507 has 2 divisors, whose sum is σ = 2665051508. Its totient is φ = 2665051506.

The previous prime is 2665051471. The next prime is 2665051517. The reversal of 2665051507 is 7051505662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2665051507 - 2¹⁹ = 2664527219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2665051517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332525753 + 1332525754.

It is an arithmetic number, because the mean of its divisors is an integer number (1332525754).

Almost surely, 2^2665051507 is an apocalyptic number.

2665051507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665051507 is an equidigital number, since it uses as much as digits as its factorization.

2665051507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 2665051507 is about 51624.1368644552. The cubic root of 2665051507 is about 1386.4425198661.

The spelling of 2665051507 in words is "two billion, six hundred sixty-five million, fifty-one thousand, five hundred seven".