1451580493 has 6 divisors (see below), whose sum is σ = 1595539022. Its totient is φ = 1319618520.

The previous prime is 1451580451. The next prime is 1451580509. The reversal of 1451580493 is 3940851541.

It can be written as a sum of positive squares in only one way, i.e., 778800649 + 672779844 = 27907^2 + 25938^2 .

It is not a de Polignac number, because 1451580493 - 2¹³ = 1451572301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451580293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5998146 + ... + 5998387.

Almost surely, 2^1451580493 is an apocalyptic number.

It is an amenable number.

1451580493 is a deficient number, since it is larger than the sum of its proper divisors (143958529).

1451580493 is a wasteful number, since it uses less digits than its factorization.

1451580493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996555 (or 11996544 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1451580493 is about 38099.6127670610. The cubic root of 1451580493 is about 1132.2622840843.

The spelling of 1451580493 in words is "one billion, four hundred fifty-one million, five hundred eighty thousand, four hundred ninety-three".