19208361290 has 32 divisors (see below), whose sum is σ = 34683768000. Its totient is φ = 7659224064.

The previous prime is 19208361281. The next prime is 19208361313. The reversal of 19208361290 is 9216380291.

It is a super-2 number, since 2×19208361290² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071249 + ... + 6074411.

It is an arithmetic number, because the mean of its divisors is an integer number (1083867750).

Almost surely, 2^19208361290 is an apocalyptic number.

19208361290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19208361290 is a deficient number, since it is larger than the sum of its proper divisors (15475406710).

19208361290 is a wasteful number, since it uses less digits than its factorization.

19208361290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 19208361290 in words is "nineteen billion, two hundred eight million, three hundred sixty-one thousand, two hundred ninety".