2061228497 has 4 divisors (see below), whose sum is σ = 2072743920. Its totient is φ = 2049713076.

The previous prime is 2061228473. The next prime is 2061228517. The reversal of 2061228497 is 7948221602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2061228497 - 2⁸ = 2061228241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061228437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5757443 + ... + 5757800.

It is an arithmetic number, because the mean of its divisors is an integer number (518185980).

Almost surely, 2^2061228497 is an apocalyptic number.

It is an amenable number.

2061228497 is a deficient number, since it is larger than the sum of its proper divisors (11515423).

2061228497 is a wasteful number, since it uses less digits than its factorization.

2061228497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515422.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 2061228497 is about 45400.7543659794. The cubic root of 2061228497 is about 1272.6492112771.

The spelling of 2061228497 in words is "two billion, sixty-one million, two hundred twenty-eight thousand, four hundred ninety-seven".