1980212053 has 4 divisors (see below), whose sum is σ = 2084433760. Its totient is φ = 1875990348.

The previous prime is 1980212033. The next prime is 1980212063. The reversal of 1980212053 is 3502120891.

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.

It is a cyclic number.

It is not a de Polignac number, because 1980212053 - 2²⁵ = 1946657621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980212033) 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, 52110825 + ... + 52110862.

It is an arithmetic number, because the mean of its divisors is an integer number (521108440).

Almost surely, 2^1980212053 is an apocalyptic number.

It is an amenable number.

1980212053 is a deficient number, since it is larger than the sum of its proper divisors (104221707).

1980212053 is a wasteful number, since it uses less digits than its factorization.

1980212053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104221706.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1980212053 is about 44499.5736271709. The cubic root of 1980212053 is about 1255.7520617350.

The spelling of 1980212053 in words is "one billion, nine hundred eighty million, two hundred twelve thousand, fifty-three".