1613630937789 has 16 divisors (see below), whose sum is σ = 2574453918400. Its totient is φ = 993003653808.

The previous prime is 1613630937727. The next prime is 1613630937817. The reversal of 1613630937789 is 9877390363161.

1613630937789 is a `hidden beast` number, since 1 + 613 + 6 + 3 + 0 + 9 + 3 + 7 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 1613630937789 - 2⁷ = 1613630937661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613630936789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298619219 + ... + 2298619920.

It is an arithmetic number, because the mean of its divisors is an integer number (160903369900).

Almost surely, 2^{1613630937789} is an apocalyptic number.

It is an amenable number.

1613630937789 is a deficient number, since it is larger than the sum of its proper divisors (960822980611).

1613630937789 is a wasteful number, since it uses less digits than its factorization.

1613630937789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597239161 (or 4597239155 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 1613630937789 in words is "one trillion, six hundred thirteen billion, six hundred thirty million, nine hundred thirty-seven thousand, seven hundred eighty-nine".