7645961954 has 8 divisors (see below), whose sum is σ = 11838908928. Its totient is φ = 3699658980.

The previous prime is 7645961941. The next prime is 7645961959. The reversal of 7645961954 is 4591695467.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7645961954.

It is not an unprimeable number, because it can be changed into a prime (7645961959) 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 3 ways as a sum of consecutive naturals, for example, 61660922 + ... + 61661045.

It is an arithmetic number, because the mean of its divisors is an integer number (1479863616).

Almost surely, 2^7645961954 is an apocalyptic number.

7645961954 is a deficient number, since it is larger than the sum of its proper divisors (4192946974).

7645961954 is a wasteful number, since it uses less digits than its factorization.

7645961954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123322000.

The product of its digits is 8164800, while the sum is 56.

The square root of 7645961954 is about 87441.1914031368. The cubic root of 7645961954 is about 1970.0505843900.

The spelling of 7645961954 in words is "seven billion, six hundred forty-five million, nine hundred sixty-one thousand, nine hundred fifty-four".