2172416503 has 2 divisors, whose sum is σ = 2172416504. Its totient is φ = 2172416502.

The previous prime is 2172416479. The next prime is 2172416507. The reversal of 2172416503 is 3056142712.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2172416503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2172416507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086208251 + 1086208252.

It is an arithmetic number, because the mean of its divisors is an integer number (1086208252).

Almost surely, 2^2172416503 is an apocalyptic number.

2172416503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172416503 is an equidigital number, since it uses as much as digits as its factorization.

2172416503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2172416503 is about 46609.1890403598. The cubic root of 2172416503 is about 1295.1329853542.

The spelling of 2172416503 in words is "two billion, one hundred seventy-two million, four hundred sixteen thousand, five hundred three".