2065428057 has 24 divisors (see below), whose sum is σ = 3494752992. Its totient is φ = 1072948800.

The previous prime is 2065428011. The next prime is 2065428059. The reversal of 2065428057 is 7508245602.

It is not a de Polignac number, because 2065428057 - 2⁷ = 2065427929 is a prime.

It is a super-3 number, since 3×2065428057³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2065428059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637044 + ... + 640277.

It is an arithmetic number, because the mean of its divisors is an integer number (145614708).

Almost surely, 2^2065428057 is an apocalyptic number.

It is an amenable number.

2065428057 is a deficient number, since it is larger than the sum of its proper divisors (1429324935).

2065428057 is a wasteful number, since it uses less digits than its factorization.

2065428057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277349 (or 1277342 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2065428057 is about 45446.9807247962. The cubic root of 2065428057 is about 1273.5129261519.

The spelling of 2065428057 in words is "two billion, sixty-five million, four hundred twenty-eight thousand, fifty-seven".