7640962518399 has 48 divisors (see below), whose sum is σ = 12313466945280. Its totient is φ = 4128034337280.

The previous prime is 7640962518391. The next prime is 7640962518421. The reversal of 7640962518399 is 9938152690467.

It is not a de Polignac number, because 7640962518399 - 2³ = 7640962518391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640962518391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2695887 + ... + 4748655.

It is an arithmetic number, because the mean of its divisors is an integer number (256530561360).

It is a 1-persistent number, because it is pandigital, but 2⋅7640962518399 = 15281925036798 is not.

Almost surely, 2^{7640962518399} is an apocalyptic number.

7640962518399 is a deficient number, since it is larger than the sum of its proper divisors (4672504426881).

7640962518399 is a wasteful number, since it uses less digits than its factorization.

7640962518399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053308 (or 2053289 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 7640962518399 in words is "seven trillion, six hundred forty billion, nine hundred sixty-two million, five hundred eighteen thousand, three hundred ninety-nine".