3216623742953 has 8 divisors (see below), whose sum is σ = 3295165624800. Its totient is φ = 3138086034720.

The previous prime is 3216623742919. The next prime is 3216623742977. The reversal of 3216623742953 is 3592473266123.

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 3216623742953 - 2²⁸ = 3216355307497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3216623742895 and 3216623742904.

It is not an unprimeable number, because it can be changed into a prime (3216623742653) 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, 546026 + ... + 2594492.

It is an arithmetic number, because the mean of its divisors is an integer number (411895703100).

Almost surely, 2^{3216623742953} is an apocalyptic number.

It is an amenable number.

3216623742953 is a deficient number, since it is larger than the sum of its proper divisors (78541881847).

3216623742953 is a wasteful number, since it uses less digits than its factorization.

3216623742953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086807.

The product of its digits is 9797760, while the sum is 53.

The spelling of 3216623742953 in words is "three trillion, two hundred sixteen billion, six hundred twenty-three million, seven hundred forty-two thousand, nine hundred fifty-three".