3109874521603 has 2 divisors, whose sum is σ = 3109874521604. Its totient is φ = 3109874521602.

The previous prime is 3109874521597. The next prime is 3109874521669. The reversal of 3109874521603 is 3061254789013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109874521603 is a prime.

It is a super-2 number, since 2×3109874521603² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3109874521693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554937260801 + 1554937260802.

It is an arithmetic number, because the mean of its divisors is an integer number (1554937260802).

It is a 1-persistent number, because it is pandigital, but 2⋅3109874521603 = 6219749043206 is not.

Almost surely, 2^{3109874521603} is an apocalyptic number.

3109874521603 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109874521603 is an equidigital number, since it uses as much as digits as its factorization.

3109874521603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 3109874521603 in words is "three trillion, one hundred nine billion, eight hundred seventy-four million, five hundred twenty-one thousand, six hundred three".