1935021097 has 4 divisors (see below), whose sum is σ = 1936700500. Its totient is φ = 1933341696.

The previous prime is 1935021091. The next prime is 1935021133. The reversal of 1935021097 is 7901205391.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1766436841 + 168584256 = 42029^2 + 12984^2 .

It is a cyclic number.

It is not a de Polignac number, because 1935021097 - 2²³ = 1926632489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1935021091) 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, 837972 + ... + 840277.

It is an arithmetic number, because the mean of its divisors is an integer number (484175125).

Almost surely, 2^1935021097 is an apocalyptic number.

It is an amenable number.

1935021097 is a deficient number, since it is larger than the sum of its proper divisors (1679403).

1935021097 is a wasteful number, since it uses less digits than its factorization.

1935021097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679402.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 1935021097 is about 43988.8746957682. The cubic root of 1935021097 is about 1246.1258391336.

The spelling of 1935021097 in words is "one billion, nine hundred thirty-five million, twenty-one thousand, ninety-seven".