2868621951 has 32 divisors (see below), whose sum is σ = 4293657088. Its totient is φ = 1691902080.

The previous prime is 2868621911. The next prime is 2868621961. The reversal of 2868621951 is 1591268682.

It is not a de Polignac number, because 2868621951 - 2¹¹ = 2868619903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2868621951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868621911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81846 + ... + 111516.

It is an arithmetic number, because the mean of its divisors is an integer number (134176784).

Almost surely, 2^2868621951 is an apocalyptic number.

2868621951 is a deficient number, since it is larger than the sum of its proper divisors (1425035137).

2868621951 is a wasteful number, since it uses less digits than its factorization.

2868621951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29791.

The product of its digits is 414720, while the sum is 48.

The square root of 2868621951 is about 53559.5178376355. The cubic root of 2868621951 is about 1420.8812144185.

The spelling of 2868621951 in words is "two billion, eight hundred sixty-eight million, six hundred twenty-one thousand, nine hundred fifty-one".