1451076649 has 9 divisors (see below), whose sum is σ = 1595445789.
Its totient is φ = 1318779660.
The previous prime is 1451076623. The next prime is 1451076673. The reversal of 1451076649 is 9466701541.
The square root of 1451076649 is 38093.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 1451076649 - 213 = 1451068457 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1451071649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 417292 + ... + 420754.
Almost surely, 21451076649 is an apocalyptic number.
1451076649 is the 38093-rd square number.
1451076649 is the 19047-th centered octagonal number.
It is an amenable number.
1451076649 is a deficient number, since it is larger than the sum of its proper divisors (144369140).
1451076649 is an frugal number, since it uses more digits than its factorization.
1451076649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6948 (or 3474 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 43.
The cubic root of 1451076649 is about 1132.1312660712.
The spelling of 1451076649 in words is "one billion, four hundred fifty-one million, seventy-six thousand, six hundred forty-nine".