620002049 has 8 divisors (see below), whose sum is σ = 644141160. Its totient is φ = 596046976.

The previous prime is 620002043. The next prime is 620002057. The reversal of 620002049 is 940200026.

It can be written as a sum of positive squares in 4 ways, for example, as 156375025 + 463627024 = 12505^2 + 21532^2 .

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

It is not a de Polignac number, because 620002049 - 2¹² = 619997953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620002043) 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, 39122 + ... + 52635.

It is an arithmetic number, because the mean of its divisors is an integer number (80517645).

Almost surely, 2^620002049 is an apocalyptic number.

It is an amenable number.

620002049 is a deficient number, since it is larger than the sum of its proper divisors (24139111).

620002049 is a wasteful number, since it uses less digits than its factorization.

620002049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92019.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 620002049 is about 24899.8403408536. The cubic root of 620002049 is about 852.7028376745.

The spelling of 620002049 in words is "six hundred twenty million, two thousand, forty-nine".