1967028945 has 64 divisors (see below), whose sum is σ = 3816046080. Its totient is φ = 844627968.

The previous prime is 1967028929. The next prime is 1967028967. The reversal of 1967028945 is 5498207691.

It is not a de Polignac number, because 1967028945 - 2⁴ = 1967028929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

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 63 ways as a sum of consecutive naturals, for example, 1371949 + ... + 1373381.

It is an arithmetic number, because the mean of its divisors is an integer number (59625720).

Almost surely, 2^1967028945 is an apocalyptic number.

1967028945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1967028945 is a deficient number, since it is larger than the sum of its proper divisors (1849017135).

1967028945 is a wasteful number, since it uses less digits than its factorization.

1967028945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1967028945 is about 44351.2000401342. The cubic root of 1967028945 is about 1252.9591640837.

The spelling of 1967028945 in words is "one billion, nine hundred sixty-seven million, twenty-eight thousand, nine hundred forty-five".