11469981604 has 9 divisors (see below), whose sum is σ = 20072842657. Its totient is φ = 5734883704.

The previous prime is 11469981587. The next prime is 11469981613. The reversal of 11469981604 is 40618996411.

The square root of 11469981604 is 107098.

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

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 11397697600 = 8502^2 + 106760^2 .

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, 187422 + ... + 240970.

Almost surely, 2^11469981604 is an apocalyptic number.

11469981604 is the 107098-th square number.

It is an amenable number.

11469981604 is a deficient number, since it is larger than the sum of its proper divisors (8602861053).

11469981604 is an frugal number, since it uses more digits than its factorization.

11469981604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107102 (or 53551 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

Multiplying 11469981604 by its sum of digits (49), we get a square (562029098596 = 749686²).

The spelling of 11469981604 in words is "eleven billion, four hundred sixty-nine million, nine hundred eighty-one thousand, six hundred four".