4903915989517 has 2 divisors, whose sum is σ = 4903915989518. Its totient is φ = 4903915989516.

The previous prime is 4903915989509. The next prime is 4903915989523. The reversal of 4903915989517 is 7159895193094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3406900116841 + 1497015872676 = 1845779^2 + 1223526^2 .

It is a cyclic number.

It is not a de Polignac number, because 4903915989517 - 2³ = 4903915989509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4903915980517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2451957994758 + 2451957994759.

It is an arithmetic number, because the mean of its divisors is an integer number (2451957994759).

Almost surely, 2^{4903915989517} is an apocalyptic number.

It is an amenable number.

4903915989517 is a deficient number, since it is larger than the sum of its proper divisors (1).

4903915989517 is an equidigital number, since it uses as much as digits as its factorization.

4903915989517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110224800, while the sum is 70.

The spelling of 4903915989517 in words is "four trillion, nine hundred three billion, nine hundred fifteen million, nine hundred eighty-nine thousand, five hundred seventeen".