1948955977559 has 16 divisors (see below), whose sum is σ = 1962528808320. Its totient is φ = 1935415374240.

The previous prime is 1948955977511. The next prime is 1948955977571. The reversal of 1948955977559 is 9557795598491.

It is a cyclic number.

It is not a de Polignac number, because 1948955977559 - 2²⁴ = 1948939200343 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 (1948955277559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711036929 + ... + 711039669.

It is an arithmetic number, because the mean of its divisors is an integer number (122658050520).

Almost surely, 2^{1948955977559} is an apocalyptic number.

1948955977559 is a deficient number, since it is larger than the sum of its proper divisors (13572830761).

1948955977559 is a wasteful number, since it uses less digits than its factorization.

1948955977559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910.

The product of its digits is 6429780000, while the sum is 83.

The spelling of 1948955977559 in words is "one trillion, nine hundred forty-eight billion, nine hundred fifty-five million, nine hundred seventy-seven thousand, five hundred fifty-nine".