1930981510 has 48 divisors (see below), whose sum is σ = 3583729728. Its totient is φ = 749099520.

The previous prime is 1930981487. The next prime is 1930981513. The reversal of 1930981510 is 151890391.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1930981510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930981513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5261347 + ... + 5261713.

It is an arithmetic number, because the mean of its divisors is an integer number (74661036).

Almost surely, 2^1930981510 is an apocalyptic number.

1930981510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1930981510 is a deficient number, since it is larger than the sum of its proper divisors (1652748218).

1930981510 is a wasteful number, since it uses less digits than its factorization.

1930981510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 1930981510 is about 43942.9346994486. The cubic root of 1930981510 is about 1245.2580896423.

The spelling of 1930981510 in words is "one billion, nine hundred thirty million, nine hundred eighty-one thousand, five hundred ten".