2150030678 has 4 divisors (see below), whose sum is σ = 3225046020. Its totient is φ = 1075015338.

The previous prime is 2150030657. The next prime is 2150030689. The reversal of 2150030678 is 8760300512.

It is a happy number.

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

It is a super-2 number, since 2×2150030678² = 9245263832682279368, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537507668 + ... + 537507671.

It is an arithmetic number, because the mean of its divisors is an integer number (806261505).

Almost surely, 2^2150030678 is an apocalyptic number.

2150030678 is a deficient number, since it is larger than the sum of its proper divisors (1075015342).

2150030678 is a wasteful number, since it uses less digits than its factorization.

2150030678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075015341.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2150030678 is about 46368.4232856801. The cubic root of 2150030678 is about 1290.6690193977.

The spelling of 2150030678 in words is "two billion, one hundred fifty million, thirty thousand, six hundred seventy-eight".