30019371669 has 24 divisors (see below), whose sum is σ = 49561308992. Its totient is φ = 17152015680.

The previous prime is 30019371661. The next prime is 30019371703. The reversal of 30019371669 is 96617391003.

It is not a de Polignac number, because 30019371669 - 2³ = 30019371661 is a prime.

It is a super-2 number, since 2×30019371669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30019371661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700089 + ... + 741729.

Almost surely, 2^30019371669 is an apocalyptic number.

It is an amenable number.

30019371669 is a deficient number, since it is larger than the sum of its proper divisors (19541937323).

30019371669 is a wasteful number, since it uses less digits than its factorization.

30019371669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53097 (or 53094 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 30019371669 in words is "thirty billion, nineteen million, three hundred seventy-one thousand, six hundred sixty-nine".