1047525639169 has 3 divisors (see below), whose sum is σ = 1047526662657. Its totient is φ = 1047524615682.

The previous prime is 1047525639137. The next prime is 1047525639217. The reversal of 1047525639169 is 9619365257401.

The square root of 1047525639169 is 1023487.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1047525639169 - 2⁵ = 1047525639137 is a prime.

It is a super-2 number, since 2×1047525639169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047525639269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 511744 + ... + 1535230.

It is an arithmetic number, because the mean of its divisors is an integer number (349175554219).

Almost surely, 2^{1047525639169} is an apocalyptic number.

1047525639169 is the 1023487-th square number.

1047525639169 is the 511744-th centered octagonal number.

It is an amenable number.

1047525639169 is a deficient number, since it is larger than the sum of its proper divisors (1023488).

1047525639169 is an frugal number, since it uses more digits than its factorization.

1047525639169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046974 (or 1023487 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 58.

The spelling of 1047525639169 in words is "one trillion, forty-seven billion, five hundred twenty-five million, six hundred thirty-nine thousand, one hundred sixty-nine".