2150554451 has 8 divisors (see below), whose sum is σ = 2314387584. Its totient is φ = 1990869120.

The previous prime is 2150554423. The next prime is 2150554459. The reversal of 2150554451 is 1544550512.

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

It is a cyclic number.

It is not a de Polignac number, because 2150554451 - 2²² = 2146360147 is a prime.

It is a super-2 number, since 2×2150554451² = 9249768893431822802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150554459) 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, 1035875 + ... + 1037948.

It is an arithmetic number, because the mean of its divisors is an integer number (289298448).

Almost surely, 2^2150554451 is an apocalyptic number.

2150554451 is a deficient number, since it is larger than the sum of its proper divisors (163833133).

2150554451 is a wasteful number, since it uses less digits than its factorization.

2150554451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073901.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2150554451 is about 46374.0708909623. The cubic root of 2150554451 is about 1290.7738183204.

The spelling of 2150554451 in words is "two billion, one hundred fifty million, five hundred fifty-four thousand, four hundred fifty-one".