1779480053 has 4 divisors (see below), whose sum is σ = 1916363148. Its totient is φ = 1642596960.

The previous prime is 1779480041. The next prime is 1779480067. The reversal of 1779480053 is 3500849771.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3500849771 = 5393 ⋅649147.

It can be written as a sum of positive squares in 2 ways, for example, as 904385329 + 875094724 = 30073^2 + 29582^2 .

It is a cyclic number.

It is not a de Polignac number, because 1779480053 - 2²⁰ = 1778431477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1779479986 and 1779480013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1779489053) 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, 68441528 + ... + 68441553.

It is an arithmetic number, because the mean of its divisors is an integer number (479090787).

Almost surely, 2^1779480053 is an apocalyptic number.

1779480053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1779480053 is a deficient number, since it is larger than the sum of its proper divisors (136883095).

1779480053 is a wasteful number, since it uses less digits than its factorization.

1779480053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136883094.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1779480053 is about 42183.8838064965. The cubic root of 1779480053 is about 1211.8002601293.

The spelling of 1779480053 in words is "one billion, seven hundred seventy-nine million, four hundred eighty thousand, fifty-three".