19314137950 has 24 divisors (see below), whose sum is σ = 35950703472. Its totient is φ = 7719976320.

The previous prime is 19314137929. The next prime is 19314138037. The reversal of 19314137950 is 5973141391.

It is a junction number, because it is equal to n+sod(n) for n = 19314137897 and 19314137906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72939 + ... + 209638.

It is an arithmetic number, because the mean of its divisors is an integer number (1497945978).

Almost surely, 2^19314137950 is an apocalyptic number.

19314137950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19314137950 is a deficient number, since it is larger than the sum of its proper divisors (16636565522).

19314137950 is a wasteful number, since it uses less digits than its factorization.

19314137950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283956 (or 283951 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 19314137950 in words is "nineteen billion, three hundred fourteen million, one hundred thirty-seven thousand, nine hundred fifty".