1283473739025 has 27 divisors (see below), whose sum is σ = 2298874512571. Its totient is φ = 684510264240.

The previous prime is 1283473739003. The next prime is 1283473739047. The reversal of 1283473739025 is 5209373743821.

It is a happy number.

The square root of 1283473739025 is 1132905.

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

1283473739025 is a `hidden beast` number, since 1 + 2 + 83 + 473 + 7 + 3 + 90 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1283473739003) and next prime (1283473739047).

It can be written as a sum of positive squares in only one way, i.e., 462050546049 + 821423192976 = 679743^2 + 906324^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1283473739025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16955812 + ... + 17031338.

Almost surely, 2^{1283473739025} is an apocalyptic number.

1283473739025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1283473739025 is the 1132905-th square number.

1283473739025 is the 566453-rd centered octagonal number.

It is an amenable number.

1283473739025 is a deficient number, since it is larger than the sum of its proper divisors (1015400773546).

1283473739025 is an frugal number, since it uses more digits than its factorization.

1283473739025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151070 (or 75535 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 1283473739025 in words is "one trillion, two hundred eighty-three billion, four hundred seventy-three million, seven hundred thirty-nine thousand, twenty-five".