1948955277559 has 2 divisors, whose sum is σ = 1948955277560. Its totient is φ = 1948955277558.

The previous prime is 1948955277541. The next prime is 1948955277589. The reversal of 1948955277559 is 9557725598491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1948955277559 - 2⁵ = 1948955277527 is a prime.

It is a super-3 number, since 3×1948955277559³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948955277509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974477638779 + 974477638780.

It is an arithmetic number, because the mean of its divisors is an integer number (974477638780).

Almost surely, 2^{1948955277559} is an apocalyptic number.

1948955277559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948955277559 is an equidigital number, since it uses as much as digits as its factorization.

1948955277559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840000, while the sum is 76.

The spelling of 1948955277559 in words is "one trillion, nine hundred forty-eight billion, nine hundred fifty-five million, two hundred seventy-seven thousand, five hundred fifty-nine".