19120680477 has 8 divisors (see below), whose sum is σ = 28326934080. Its totient is φ = 12747120300.

The previous prime is 19120680437. The next prime is 19120680479. The reversal of 19120680477 is 77408602191.

It is a happy number.

It is not a de Polignac number, because 19120680477 - 2⁷ = 19120680349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19120680479) 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, 354086649 + ... + 354086702.

It is an arithmetic number, because the mean of its divisors is an integer number (3540866760).

Almost surely, 2^19120680477 is an apocalyptic number.

It is an amenable number.

19120680477 is a deficient number, since it is larger than the sum of its proper divisors (9206253603).

19120680477 is an equidigital number, since it uses as much as digits as its factorization.

19120680477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708173360 (or 708173354 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 19120680477 in words is "nineteen billion, one hundred twenty million, six hundred eighty thousand, four hundred seventy-seven".