1451161093 has 4 divisors (see below), whose sum is σ = 1486555308. Its totient is φ = 1415766880.

The previous prime is 1451161079. The next prime is 1451161111. The reversal of 1451161093 is 3901611541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3901611541 = 29 ⋅134538329.

It can be written as a sum of positive squares in 2 ways, for example, as 581677924 + 869483169 = 24118^2 + 29487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451161093 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 (1451161003) 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, 17697046 + ... + 17697127.

It is an arithmetic number, because the mean of its divisors is an integer number (371638827).

Almost surely, 2^1451161093 is an apocalyptic number.

It is an amenable number.

1451161093 is a deficient number, since it is larger than the sum of its proper divisors (35394215).

1451161093 is an equidigital number, since it uses as much as digits as its factorization.

1451161093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35394214.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1451161093 is about 38094.1083764931. The cubic root of 1451161093 is about 1132.1532267393.

The spelling of 1451161093 in words is "one billion, four hundred fifty-one million, one hundred sixty-one thousand, ninety-three".