2121063477 has 8 divisors (see below), whose sum is σ = 3045629664. Its totient is φ = 1305269808.

The previous prime is 2121063409. The next prime is 2121063487. The reversal of 2121063477 is 7743601212.

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

It is not a de Polignac number, because 2121063477 - 2¹¹ = 2121061429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121063407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27193083 + ... + 27193160.

It is an arithmetic number, because the mean of its divisors is an integer number (380703708).

Almost surely, 2^2121063477 is an apocalyptic number.

It is an amenable number.

2121063477 is a deficient number, since it is larger than the sum of its proper divisors (924566187).

2121063477 is a wasteful number, since it uses less digits than its factorization.

2121063477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54386259.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2121063477 is about 46055.0049071759. The cubic root of 2121063477 is about 1284.8464293858.

Adding to 2121063477 its reverse (7743601212), we get a palindrome (9864664689).

The spelling of 2121063477 in words is "two billion, one hundred twenty-one million, sixty-three thousand, four hundred seventy-seven".