2190730477 has 8 divisors (see below), whose sum is σ = 2360242080. Its totient is φ = 2021360880.

The previous prime is 2190730471. The next prime is 2190730559. The reversal of 2190730477 is 7740370912.

2190730477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2190730477 - 2⁷ = 2190730349 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 (2190730471) 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, 2299 + ... + 66232.

It is an arithmetic number, because the mean of its divisors is an integer number (295030260).

Almost surely, 2^2190730477 is an apocalyptic number.

It is an amenable number.

2190730477 is a deficient number, since it is larger than the sum of its proper divisors (169511603).

2190730477 is a wasteful number, since it uses less digits than its factorization.

2190730477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71003.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 2190730477 is about 46805.2398455558. The cubic root of 2190730477 is about 1298.7622295466.

The spelling of 2190730477 in words is "two billion, one hundred ninety million, seven hundred thirty thousand, four hundred seventy-seven".