2667495851 has 4 divisors (see below), whose sum is σ = 2691968400. Its totient is φ = 2643023304.

The previous prime is 2667495791. The next prime is 2667495881. The reversal of 2667495851 is 1585947662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2667495851 - 2¹⁴ = 2667479467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2667495793 and 2667495802.

It is not an unprimeable number, because it can be changed into a prime (2667495881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236111 + ... + 12236328.

It is an arithmetic number, because the mean of its divisors is an integer number (672992100).

Almost surely, 2^2667495851 is an apocalyptic number.

2667495851 is a deficient number, since it is larger than the sum of its proper divisors (24472549).

2667495851 is a wasteful number, since it uses less digits than its factorization.

2667495851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24472548.

The product of its digits is 3628800, while the sum is 53.

The square root of 2667495851 is about 51647.8058682070. The cubic root of 2667495851 is about 1386.8662648829.

The spelling of 2667495851 in words is "two billion, six hundred sixty-seven million, four hundred ninety-five thousand, eight hundred fifty-one".