748569987351 has 24 divisors (see below), whose sum is σ = 1108968997136. Its totient is φ = 486315083520.

The previous prime is 748569987349. The next prime is 748569987359. The reversal of 748569987351 is 153789965847.

748569987351 is a `hidden beast` number, since 7 + 4 + 8 + 569 + 9 + 8 + 7 + 3 + 51 = 666.

It is not a de Polignac number, because 748569987351 - 2¹ = 748569987349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748569987351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748569987359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2066020 + ... + 2401161.

Almost surely, 2^748569987351 is an apocalyptic number.

748569987351 is a deficient number, since it is larger than the sum of its proper divisors (360399009785).

748569987351 is a wasteful number, since it uses less digits than its factorization.

748569987351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467663 (or 4467660 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 748569987351 in words is "seven hundred forty-eight billion, five hundred sixty-nine million, nine hundred eighty-seven thousand, three hundred fifty-one".