6215912623 has 4 divisors (see below), whose sum is σ = 6581554560. Its totient is φ = 5850270688.

The previous prime is 6215912611. The next prime is 6215912639. The reversal of 6215912623 is 3262195126.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3262195126 = 2 ⋅1631097563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6215912623 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 (6215912603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182820943 + ... + 182820976.

It is an arithmetic number, because the mean of its divisors is an integer number (1645388640).

Almost surely, 2^6215912623 is an apocalyptic number.

6215912623 is a deficient number, since it is larger than the sum of its proper divisors (365641937).

6215912623 is a wasteful number, since it uses less digits than its factorization.

6215912623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365641936.

The product of its digits is 38880, while the sum is 37.

The square root of 6215912623 is about 78841.0592458016. The cubic root of 6215912623 is about 1838.6608702110.

The spelling of 6215912623 in words is "six billion, two hundred fifteen million, nine hundred twelve thousand, six hundred twenty-three".