19074981050 has 12 divisors (see below), whose sum is σ = 35479464846. Its totient is φ = 7629992400.

The previous prime is 19074981047. The next prime is 19074981071. The reversal of 19074981050 is 5018947091.

It can be written as a sum of positive squares in 3 ways, for example, as 17489269009 + 1585712041 = 132247^2 + 39821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19074980992 and 19074981010.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190749761 + ... + 190749860.

Almost surely, 2^19074981050 is an apocalyptic number.

19074981050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19074981050 is a deficient number, since it is larger than the sum of its proper divisors (16404483796).

19074981050 is a wasteful number, since it uses less digits than its factorization.

19074981050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381499633 (or 381499628 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 19074981050 in words is "nineteen billion, seventy-four million, nine hundred eighty-one thousand, fifty".