2137872367 has 2 divisors, whose sum is σ = 2137872368. Its totient is φ = 2137872366.

The previous prime is 2137872311. The next prime is 2137872391. The reversal of 2137872367 is 7632787312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2137872367 - 2¹⁹ = 2137348079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2137872397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068936183 + 1068936184.

It is an arithmetic number, because the mean of its divisors is an integer number (1068936184).

Almost surely, 2^2137872367 is an apocalyptic number.

2137872367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137872367 is an equidigital number, since it uses as much as digits as its factorization.

2137872367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The square root of 2137872367 is about 46237.1319071588. The cubic root of 2137872367 is about 1288.2315303898.

The spelling of 2137872367 in words is "two billion, one hundred thirty-seven million, eight hundred seventy-two thousand, three hundred sixty-seven".