1641140053 has 4 divisors (see below), whose sum is σ = 1875588640. Its totient is φ = 1406691468.

The previous prime is 1641140051. The next prime is 1641140099. The reversal of 1641140053 is 3500411461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3500411461 = 4951 ⋅707011.

It is not a de Polignac number, because 1641140053 - 2¹ = 1641140051 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 (1641140051) 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 3 ways as a sum of consecutive naturals, for example, 117224283 + ... + 117224296.

It is an arithmetic number, because the mean of its divisors is an integer number (468897160).

Almost surely, 2^1641140053 is an apocalyptic number.

It is an amenable number.

1641140053 is a deficient number, since it is larger than the sum of its proper divisors (234448587).

1641140053 is an equidigital number, since it uses as much as digits as its factorization.

1641140053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234448586.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1641140053 is about 40510.9868183929. The cubic root of 1641140053 is about 1179.5469037500.

The spelling of 1641140053 in words is "one billion, six hundred forty-one million, one hundred forty thousand, fifty-three".