2064630154 has 4 divisors (see below), whose sum is σ = 3096945234. Its totient is φ = 1032315076.

The previous prime is 2064630151. The next prime is 2064630157. The reversal of 2064630154 is 4510364602.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2064630151) and next prime (2064630157).

It can be written as a sum of positive squares in only one way, i.e., 1045552225 + 1019077929 = 32335^2 + 31923^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2064630151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516157537 + ... + 516157540.

Almost surely, 2^2064630154 is an apocalyptic number.

2064630154 is a deficient number, since it is larger than the sum of its proper divisors (1032315080).

2064630154 is a wasteful number, since it uses less digits than its factorization.

2064630154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032315079.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2064630154 is about 45438.2014828932. The cubic root of 2064630154 is about 1273.3489132316.

Adding to 2064630154 its reverse (4510364602), we get a palindrome (6574994756).

The spelling of 2064630154 in words is "two billion, sixty-four million, six hundred thirty thousand, one hundred fifty-four".