6955640619 has 16 divisors (see below), whose sum is σ = 9527308320. Its totient is φ = 4510598400.

The previous prime is 6955640603. The next prime is 6955640621. The reversal of 6955640619 is 9160465596.

It is not a de Polignac number, because 6955640619 - 2⁴ = 6955640603 is a prime.

It is a super-2 number, since 2×6955640619² = 96761872841365406322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6955640639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697569 + ... + 707469.

It is an arithmetic number, because the mean of its divisors is an integer number (595456770).

Almost surely, 2^6955640619 is an apocalyptic number.

6955640619 is a deficient number, since it is larger than the sum of its proper divisors (2571667701).

6955640619 is a wasteful number, since it uses less digits than its factorization.

6955640619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16270.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 6955640619 is about 83400.4833259376. The cubic root of 6955640619 is about 1908.8818340330.

The spelling of 6955640619 in words is "six billion, nine hundred fifty-five million, six hundred forty thousand, six hundred nineteen".