1450677729 has 4 divisors (see below), whose sum is σ = 1934236976. Its totient is φ = 967118484.

The previous prime is 1450677691. The next prime is 1450677763. The reversal of 1450677729 is 9277760541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1450677729 - 2¹⁵ = 1450644961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1450677629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241779619 + ... + 241779624.

It is an arithmetic number, because the mean of its divisors is an integer number (483559244).

Almost surely, 2^1450677729 is an apocalyptic number.

It is an amenable number.

1450677729 is a deficient number, since it is larger than the sum of its proper divisors (483559247).

1450677729 is an equidigital number, since it uses as much as digits as its factorization.

1450677729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483559246.

The product of its (nonzero) digits is 740880, while the sum is 48.

The square root of 1450677729 is about 38087.7635074574. The cubic root of 1450677729 is about 1132.0275106522.

It can be divided in two parts, 14506 and 77729, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 1450677729 in words is "one billion, four hundred fifty million, six hundred seventy-seven thousand, seven hundred twenty-nine".