1451427263 has 24 divisors (see below), whose sum is σ = 1736421120. Its totient is φ = 1202441760.

The previous prime is 1451427253. The next prime is 1451427283. The reversal of 1451427263 is 3627241541.

It is not a de Polignac number, because 1451427263 - 2⁸ = 1451427007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451427253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141920 + ... + 151802.

It is an arithmetic number, because the mean of its divisors is an integer number (72350880).

Almost surely, 2^1451427263 is an apocalyptic number.

1451427263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1451427263 is a deficient number, since it is larger than the sum of its proper divisors (284993857).

1451427263 is a wasteful number, since it uses less digits than its factorization.

1451427263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9986 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1451427263 is about 38097.6018011633. The cubic root of 1451427263 is about 1132.2224418443. Note that the first 3 decimals are identical.

The spelling of 1451427263 in words is "one billion, four hundred fifty-one million, four hundred twenty-seven thousand, two hundred sixty-three".