2046642651 has 24 divisors (see below), whose sum is σ = 3022855680. Its totient is φ = 1334030256.

The previous prime is 2046642643. The next prime is 2046642667. The reversal of 2046642651 is 1562466402.

2046642651 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 642 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 2046642651 - 2³ = 2046642643 is a prime.

It is a super-2 number, since 2×2046642651² = 8377492281784615602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2046642641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59260 + ... + 87206.

It is an arithmetic number, because the mean of its divisors is an integer number (125952320).

Almost surely, 2^2046642651 is an apocalyptic number.

2046642651 is a deficient number, since it is larger than the sum of its proper divisors (976213029).

2046642651 is a wasteful number, since it uses less digits than its factorization.

2046642651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28135 (or 28132 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2046642651 is about 45239.8347808654. The cubic root of 2046642651 is about 1269.6402252440.

The spelling of 2046642651 in words is "two billion, forty-six million, six hundred forty-two thousand, six hundred fifty-one".