3721894903 has 2 divisors, whose sum is σ = 3721894904. Its totient is φ = 3721894902.

The previous prime is 3721894879. The next prime is 3721894919. The reversal of 3721894903 is 3094981273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3721894903 - 2⁵ = 3721894871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3721894973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860947451 + 1860947452.

It is an arithmetic number, because the mean of its divisors is an integer number (1860947452).

Almost surely, 2^3721894903 is an apocalyptic number.

3721894903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721894903 is an equidigital number, since it uses as much as digits as its factorization.

3721894903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 3721894903 is about 61007.3348295105. The cubic root of 3721894903 is about 1549.7252239941.

The spelling of 3721894903 in words is "three billion, seven hundred twenty-one million, eight hundred ninety-four thousand, nine hundred three".