2162664451 has 2 divisors, whose sum is σ = 2162664452. Its totient is φ = 2162664450.

The previous prime is 2162664437. The next prime is 2162664461. The reversal of 2162664451 is 1544662612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2162664451 - 2¹⁹ = 2162140163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2162664451.

It is not a weakly prime, because it can be changed into another prime (2162664461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081332225 + 1081332226.

It is an arithmetic number, because the mean of its divisors is an integer number (1081332226).

Almost surely, 2^2162664451 is an apocalyptic number.

2162664451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162664451 is an equidigital number, since it uses as much as digits as its factorization.

2162664451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 2162664451 is about 46504.4562488371. The cubic root of 2162664451 is about 1293.1921128103.

The spelling of 2162664451 in words is "two billion, one hundred sixty-two million, six hundred sixty-four thousand, four hundred fifty-one".