1042046931249 has 45 divisors (see below), whose sum is σ = 1573604111739. Its totient is φ = 687207272400.

The previous prime is 1042046931221. The next prime is 1042046931257. The reversal of 1042046931249 is 9421396402401.

The square root of 1042046931249 is 1020807.

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

1042046931249 is a `hidden beast` number, since 10 + 420 + 4 + 6 + 93 + 124 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1001186351649 + 40860579600 = 1000593^2 + 202140^2 .

It is not a de Polignac number, because 1042046931249 - 2⁵ = 1042046931217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042046931449) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 927913002 + ... + 927914124.

Almost surely, 2^{1042046931249} is an apocalyptic number.

1042046931249 is the 1020807-th square number.

1042046931249 is the 510404-th centered octagonal number.

It is an amenable number.

1042046931249 is a deficient number, since it is larger than the sum of its proper divisors (531557180490).

1042046931249 is an frugal number, since it uses more digits than its factorization.

1042046931249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1042046931249 in words is "one trillion, forty-two billion, forty-six million, nine hundred thirty-one thousand, two hundred forty-nine".