1952640047 has 8 divisors (see below), whose sum is σ = 2002341600. Its totient is φ = 1903037440.

The previous prime is 1952640031. The next prime is 1952640071. The reversal of 1952640047 is 7400462591.

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

It is a cyclic number.

It is not a de Polignac number, because 1952640047 - 2⁴ = 1952640031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1952642047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16079 + ... + 64527.

It is an arithmetic number, because the mean of its divisors is an integer number (250292700).

Almost surely, 2^1952640047 is an apocalyptic number.

1952640047 is a deficient number, since it is larger than the sum of its proper divisors (49701553).

1952640047 is an equidigital number, since it uses as much as digits as its factorization.

1952640047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49473.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1952640047 is about 44188.6868666631. The cubic root of 1952640047 is about 1249.8965347962.

The spelling of 1952640047 in words is "one billion, nine hundred fifty-two million, six hundred forty thousand, forty-seven".