2665949284258 has 32 divisors (see below), whose sum is σ = 4494412282752. Its totient is φ = 1176773664000.

The previous prime is 2665949284253. The next prime is 2665949284277. The reversal of 2665949284258 is 8524829495662.

It is a super-2 number, since 2×2665949284258² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2665949284253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945333 + ... + 4571383.

It is an arithmetic number, because the mean of its divisors is an integer number (140450383836).

Almost surely, 2^{2665949284258} is an apocalyptic number.

2665949284258 is a deficient number, since it is larger than the sum of its proper divisors (1828462998494).

2665949284258 is a wasteful number, since it uses less digits than its factorization.

2665949284258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633210.

The product of its digits is 597196800, while the sum is 70.

The spelling of 2665949284258 in words is "two trillion, six hundred sixty-five billion, nine hundred forty-nine million, two hundred eighty-four thousand, two hundred fifty-eight".