10519784356 has 9 divisors (see below), whose sum is σ = 18409981611. Its totient is φ = 5259789612.

The previous prime is 10519784309. The next prime is 10519784371. The reversal of 10519784356 is 65348791501.

The square root of 10519784356 is 102566.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×10519784356² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 179491 + ... + 230773.

Almost surely, 2^10519784356 is an apocalyptic number.

10519784356 is the 102566-th square number.

It is an amenable number.

10519784356 is a deficient number, since it is larger than the sum of its proper divisors (7890197255).

10519784356 is an frugal number, since it uses more digits than its factorization.

10519784356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102570 (or 51285 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

Multiplying 10519784356 by its sum of digits (49), we get a square (515469433444 = 717962²).

The spelling of 10519784356 in words is "ten billion, five hundred nineteen million, seven hundred eighty-four thousand, three hundred fifty-six".