2100154319 has 2 divisors, whose sum is σ = 2100154320. Its totient is φ = 2100154318.

The previous prime is 2100154223. The next prime is 2100154363. The reversal of 2100154319 is 9134510012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100154319 - 2¹² = 2100150223 is a prime.

It is a super-2 number, since 2×2100154319² = 8821296327228707522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100154019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050077159 + 1050077160.

It is an arithmetic number, because the mean of its divisors is an integer number (1050077160).

Almost surely, 2^2100154319 is an apocalyptic number.

2100154319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100154319 is an equidigital number, since it uses as much as digits as its factorization.

2100154319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 2100154319 is about 45827.4406769569. The cubic root of 2100154319 is about 1280.6105321074.

The spelling of 2100154319 in words is "two billion, one hundred million, one hundred fifty-four thousand, three hundred nineteen".