1954648807 has 16 divisors (see below), whose sum is σ = 2178000000. Its totient is φ = 1746317664.

The previous prime is 1954648793. The next prime is 1954648823. The reversal of 1954648807 is 7088464591.

It is not a de Polignac number, because 1954648807 - 2¹⁵ = 1954616039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954648847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17557 + ... + 64942.

It is an arithmetic number, because the mean of its divisors is an integer number (136125000).

Almost surely, 2^1954648807 is an apocalyptic number.

1954648807 is a deficient number, since it is larger than the sum of its proper divisors (223351193).

1954648807 is a wasteful number, since it uses less digits than its factorization.

1954648807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82590.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1954648807 is about 44211.4103710795. The cubic root of 1954648807 is about 1250.3249943223.

The spelling of 1954648807 in words is "one billion, nine hundred fifty-four million, six hundred forty-eight thousand, eight hundred seven".