734787318283648 has 64 divisors (see below), whose sum is σ = 1681445418285600. Its totient is φ = 313310328532992.

The previous prime is 734787318283631. The next prime is 734787318283661. The reversal of 734787318283648 is 846382813787437.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×734787318283648² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081232453 + ... + 2081585476.

Almost surely, 2^{734787318283648} is an apocalyptic number.

It is an amenable number.

734787318283648 is an abundant number, since it is smaller than the sum of its proper divisors (946658100001952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

734787318283648 is a wasteful number, since it uses less digits than its factorization.

734787318283648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162818147 (or 4162818135 counting only the distinct ones).

The product of its digits is 7283146752, while the sum is 79.

The spelling of 734787318283648 in words is "seven hundred thirty-four trillion, seven hundred eighty-seven billion, three hundred eighteen million, two hundred eighty-three thousand, six hundred forty-eight".