1948955536553 has 8 divisors (see below), whose sum is σ = 2052106713120. Its totient is φ = 1845861816960.

The previous prime is 1948955536499. The next prime is 1948955536573. The reversal of 1948955536553 is 3556355598491.

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

It is a cyclic number.

It is not a de Polignac number, because 1948955536553 - 2²⁴ = 1948938759337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1948955536573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14294600 + ... + 14430297.

It is an arithmetic number, because the mean of its divisors is an integer number (256513339140).

Almost surely, 2^{1948955536553} is an apocalyptic number.

It is an amenable number.

1948955536553 is a deficient number, since it is larger than the sum of its proper divisors (103151176567).

1948955536553 is a wasteful number, since it uses less digits than its factorization.

1948955536553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728487.

The product of its digits is 437400000, while the sum is 68.

The spelling of 1948955536553 in words is "one trillion, nine hundred forty-eight billion, nine hundred fifty-five million, five hundred thirty-six thousand, five hundred fifty-three".