2069626457 has 8 divisors (see below), whose sum is σ = 2160127680. Its totient is φ = 1979168400.

The previous prime is 2069626453. The next prime is 2069626459. The reversal of 2069626457 is 7546269602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2069626457 - 2² = 2069626453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069626453) 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, 122207 + ... + 138107.

It is an arithmetic number, because the mean of its divisors is an integer number (270015960).

Almost surely, 2^2069626457 is an apocalyptic number.

It is an amenable number.

2069626457 is a deficient number, since it is larger than the sum of its proper divisors (90501223).

2069626457 is a wasteful number, since it uses less digits than its factorization.

2069626457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21583.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2069626457 is about 45493.1473630919. The cubic root of 2069626457 is about 1274.3752329549.

The spelling of 2069626457 in words is "two billion, sixty-nine million, six hundred twenty-six thousand, four hundred fifty-seven".