42633669451 has 2 divisors, whose sum is σ = 42633669452. Its totient is φ = 42633669450.

The previous prime is 42633669433. The next prime is 42633669461. The reversal of 42633669451 is 15496633624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42633669451 - 2³³ = 34043734859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42633669395 and 42633669404.

It is not a weakly prime, because it can be changed into another prime (42633669461) 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 as a sum of consecutive naturals, namely, 21316834725 + 21316834726.

It is an arithmetic number, because the mean of its divisors is an integer number (21316834726).

Almost surely, 2^42633669451 is an apocalyptic number.

42633669451 is a deficient number, since it is larger than the sum of its proper divisors (1).

42633669451 is an equidigital number, since it uses as much as digits as its factorization.

42633669451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 49.

The spelling of 42633669451 in words is "forty-two billion, six hundred thirty-three million, six hundred sixty-nine thousand, four hundred fifty-one".