3521901913 has 2 divisors, whose sum is σ = 3521901914. Its totient is φ = 3521901912.

The previous prime is 3521901893. The next prime is 3521901919. The reversal of 3521901913 is 3191091253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2068157529 + 1453744384 = 45477^2 + 38128^2 .

It is a cyclic number.

It is not a de Polignac number, because 3521901913 - 2¹³ = 3521893721 is a prime.

It is not a weakly prime, because it can be changed into another prime (3521901919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760950956 + 1760950957.

It is an arithmetic number, because the mean of its divisors is an integer number (1760950957).

Almost surely, 2^3521901913 is an apocalyptic number.

It is an amenable number.

3521901913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521901913 is an equidigital number, since it uses as much as digits as its factorization.

3521901913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 3521901913 is about 59345.6141007910. The cubic root of 3521901913 is about 1521.4549078816.

The spelling of 3521901913 in words is "three billion, five hundred twenty-one million, nine hundred one thousand, nine hundred thirteen".