7649500761946 has 4 divisors (see below), whose sum is σ = 11474251142922. Its totient is φ = 3824750380972.

The previous prime is 7649500761937. The next prime is 7649500761949. The reversal of 7649500761946 is 6491670059467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6459928806321 + 1189571955625 = 2541639^2 + 1090675^2 .

It is not an unprimeable number, because it can be changed into a prime (7649500761949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912375190485 + ... + 1912375190488.

Almost surely, 2^{7649500761946} is an apocalyptic number.

7649500761946 is a deficient number, since it is larger than the sum of its proper divisors (3824750380976).

7649500761946 is a wasteful number, since it uses less digits than its factorization.

7649500761946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824750380975.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 7649500761946 in words is "seven trillion, six hundred forty-nine billion, five hundred million, seven hundred sixty-one thousand, nine hundred forty-six".