2069628451 has 4 divisors (see below), whose sum is σ = 2257776504. Its totient is φ = 1881480400.

The previous prime is 2069628443. The next prime is 2069628469. The reversal of 2069628451 is 1548269602.

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

It is a cyclic number.

It is not a de Polignac number, because 2069628451 - 2³ = 2069628443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2069628398 and 2069628407.

It is not an unprimeable number, because it can be changed into a prime (2069628401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94074010 + ... + 94074031.

It is an arithmetic number, because the mean of its divisors is an integer number (564444126).

Almost surely, 2^2069628451 is an apocalyptic number.

2069628451 is a deficient number, since it is larger than the sum of its proper divisors (188148053).

2069628451 is a wasteful number, since it uses less digits than its factorization.

2069628451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188148052.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2069628451 is about 45493.1692784752. The cubic root of 2069628451 is about 1274.3756422241.

The spelling of 2069628451 in words is "two billion, sixty-nine million, six hundred twenty-eight thousand, four hundred fifty-one".