953439052391 has 8 divisors (see below), whose sum is σ = 1089734997504. Its totient is φ = 817165698840.

The previous prime is 953439052367. The next prime is 953439052409. The reversal of 953439052391 is 193250934359.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-953439052391 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 (953439057391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5557355 + ... + 5726348.

It is an arithmetic number, because the mean of its divisors is an integer number (136216874688).

Almost surely, 2^953439052391 is an apocalyptic number.

953439052391 is a deficient number, since it is larger than the sum of its proper divisors (136295945113).

953439052391 is a wasteful number, since it uses less digits than its factorization.

953439052391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295781.

The product of its (nonzero) digits is 3936600, while the sum is 53.

The spelling of 953439052391 in words is "nine hundred fifty-three billion, four hundred thirty-nine million, fifty-two thousand, three hundred ninety-one".