1973057953 has 4 divisors (see below), whose sum is σ = 1976513968. Its totient is φ = 1969601940.

The previous prime is 1973057951. The next prime is 1973058037. The reversal of 1973057953 is 3597503791.

It is a happy number.

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 1973057953 - 2¹ = 1973057951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1973057897 and 1973057906.

It is not an unprimeable number, because it can be changed into a prime (1973057951) 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, 1727151 + ... + 1728292.

It is an arithmetic number, because the mean of its divisors is an integer number (494128492).

Almost surely, 2^1973057953 is an apocalyptic number.

It is an amenable number.

1973057953 is a deficient number, since it is larger than the sum of its proper divisors (3456015).

1973057953 is an equidigital number, since it uses as much as digits as its factorization.

1973057953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456014.

The product of its (nonzero) digits is 893025, while the sum is 49.

The square root of 1973057953 is about 44419.1169768153. The cubic root of 1973057953 is about 1254.2379786978.

The spelling of 1973057953 in words is "one billion, nine hundred seventy-three million, fifty-seven thousand, nine hundred fifty-three".