1975498653 has 8 divisors (see below), whose sum is σ = 2718966016. Its totient is φ = 1274515200.

The previous prime is 1975498633. The next prime is 1975498661. The reversal of 1975498653 is 3568945791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1975498653 - 2⁸ = 1975498397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1975498593 and 1975498602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975498633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10620868 + ... + 10621053.

It is an arithmetic number, because the mean of its divisors is an integer number (339870752).

Almost surely, 2^1975498653 is an apocalyptic number.

It is an amenable number.

1975498653 is a deficient number, since it is larger than the sum of its proper divisors (743467363).

1975498653 is a wasteful number, since it uses less digits than its factorization.

1975498653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241955.

The product of its digits is 8164800, while the sum is 57.

The square root of 1975498653 is about 44446.5820170685. The cubic root of 1975498653 is about 1254.7549355093.

The spelling of 1975498653 in words is "one billion, nine hundred seventy-five million, four hundred ninety-eight thousand, six hundred fifty-three".