19770411573 has 12 divisors (see below), whose sum is σ = 31153375968. Its totient is φ = 11982067560.

The previous prime is 19770411503. The next prime is 19770411587. The reversal of 19770411573 is 37511407791.

19770411573 is a `hidden beast` number, since 1 + 9 + 7 + 70 + 4 + 1 + 1 + 573 = 666.

It is not a de Polignac number, because 19770411573 - 2⁹ = 19770411061 is a prime.

It is a super-3 number, since 3×19770411573³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19770411503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99850465 + ... + 99850662.

It is an arithmetic number, because the mean of its divisors is an integer number (2596114664).

Almost surely, 2^19770411573 is an apocalyptic number.

It is an amenable number.

19770411573 is a deficient number, since it is larger than the sum of its proper divisors (11382964395).

19770411573 is a wasteful number, since it uses less digits than its factorization.

19770411573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199701144 (or 199701141 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

The spelling of 19770411573 in words is "nineteen billion, seven hundred seventy million, four hundred eleven thousand, five hundred seventy-three".