1952723865 has 8 divisors (see below), whose sum is σ = 3124358208. Its totient is φ = 1041452720.

The previous prime is 1952723809. The next prime is 1952723893. The reversal of 1952723865 is 5683272591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1952723865 - 2¹⁷ = 1952592793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65090781 + ... + 65090810.

It is an arithmetic number, because the mean of its divisors is an integer number (390544776).

Almost surely, 2^1952723865 is an apocalyptic number.

1952723865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1952723865 is a deficient number, since it is larger than the sum of its proper divisors (1171634343).

1952723865 is a wasteful number, since it uses less digits than its factorization.

1952723865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130181599.

The product of its digits is 907200, while the sum is 48.

The square root of 1952723865 is about 44189.6352666550. The cubic root of 1952723865 is about 1249.9144186741.

The spelling of 1952723865 in words is "one billion, nine hundred fifty-two million, seven hundred twenty-three thousand, eight hundred sixty-five".