1972559093 has 4 divisors (see below), whose sum is σ = 1987616928. Its totient is φ = 1957501260.

The previous prime is 1972559053. The next prime is 1972559101. The reversal of 1972559093 is 3909552791.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3909552791 = 53 ⋅73765147.

It is a cyclic number.

It is not a de Polignac number, because 1972559093 - 2²⁰ = 1971510517 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 (1972559053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528721 + ... + 7528982.

It is an arithmetic number, because the mean of its divisors is an integer number (496904232).

Almost surely, 2^1972559093 is an apocalyptic number.

It is an amenable number.

1972559093 is a deficient number, since it is larger than the sum of its proper divisors (15057835).

1972559093 is a wasteful number, since it uses less digits than its factorization.

1972559093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057834.

The product of its (nonzero) digits is 765450, while the sum is 50.

The square root of 1972559093 is about 44413.5012468056. The cubic root of 1972559093 is about 1254.1322643004.

The spelling of 1972559093 in words is "one billion, nine hundred seventy-two million, five hundred fifty-nine thousand, ninety-three".