64263737379 has 16 divisors (see below), whose sum is σ = 88026832800. Its totient is φ = 41672252160.

The previous prime is 64263737359. The next prime is 64263737383. The reversal of 64263737379 is 97373736246.

It is a de Polignac number, because none of the positive numbers 2^k-64263737379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64263737359) 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, 298909 + ... + 466769.

It is an arithmetic number, because the mean of its divisors is an integer number (5501677050).

Almost surely, 2^64263737379 is an apocalyptic number.

64263737379 is a deficient number, since it is larger than the sum of its proper divisors (23763095421).

64263737379 is a wasteful number, since it uses less digits than its factorization.

64263737379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171350.

The product of its digits is 24004512, while the sum is 57.

The spelling of 64263737379 in words is "sixty-four billion, two hundred sixty-three million, seven hundred thirty-seven thousand, three hundred seventy-nine".