1999250070 has 32 divisors (see below), whose sum is σ = 4799520000. Its totient is φ = 532986720.

The previous prime is 1999250069. The next prime is 1999250087. The reversal of 1999250070 is 700529991.

It is a congruent number.

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, 143305 + ... + 156635.

It is an arithmetic number, because the mean of its divisors is an integer number (149985000).

Almost surely, 2^1999250070 is an apocalyptic number.

1999250070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1999250070 is an abundant number, since it is smaller than the sum of its proper divisors (2800269930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1999250070 is a wasteful number, since it uses less digits than its factorization.

1999250070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18340.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 1999250070 is about 44712.9742915857. The cubic root of 1999250070 is about 1259.7635547760.

The spelling of 1999250070 in words is "one billion, nine hundred ninety-nine million, two hundred fifty thousand, seventy".