1928137574450 has 24 divisors (see below), whose sum is σ = 3588959524032. Its totient is φ = 770690807120.

The previous prime is 1928137574437. The next prime is 1928137574471. The reversal of 1928137574450 is 544757318291.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14036534 + ... + 14173233.

It is an arithmetic number, because the mean of its divisors is an integer number (149539980168).

Almost surely, 2^{1928137574450} is an apocalyptic number.

1928137574450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1928137574450 is a deficient number, since it is larger than the sum of its proper divisors (1660821949582).

1928137574450 is a wasteful number, since it uses less digits than its factorization.

1928137574450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211146 (or 28211141 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 1928137574450 in words is "one trillion, nine hundred twenty-eight billion, one hundred thirty-seven million, five hundred seventy-four thousand, four hundred fifty".