1498947219225 has 81 divisors (see below), whose sum is σ = 2788822715263. Its totient is φ = 799174064880.

The previous prime is 1498947219179. The next prime is 1498947219281. The reversal of 1498947219225 is 5229127498941.

The square root of 1498947219225 is 1224315.

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

1498947219225 is a `hidden beast` number, since 149 + 8 + 9 + 472 + 19 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 539620998921 + 959326220304 = 734589^2 + 979452^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 1498947219225 - 2²³ = 1498938830617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 495846064 + ... + 495849086.

Almost surely, 2^{1498947219225} is an apocalyptic number.

1498947219225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1498947219225 is the 1224315-th square number.

1498947219225 is the 612158-th centered octagonal number.

It is an amenable number.

1498947219225 is a deficient number, since it is larger than the sum of its proper divisors (1289875496038).

1498947219225 is an frugal number, since it uses more digits than its factorization.

1498947219225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080 (or 3031 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 1498947219225 in words is "one trillion, four hundred ninety-eight billion, nine hundred forty-seven million, two hundred nineteen thousand, two hundred twenty-five".