42670697633 has 2 divisors, whose sum is σ = 42670697634. Its totient is φ = 42670697632.

The previous prime is 42670697581. The next prime is 42670697639. The reversal of 42670697633 is 33679607624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32325163264 + 10345534369 = 179792^2 + 101713^2 .

It is a cyclic number.

It is not a de Polignac number, because 42670697633 - 2¹² = 42670693537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42670697639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335348816 + 21335348817.

It is an arithmetic number, because the mean of its divisors is an integer number (21335348817).

Almost surely, 2^42670697633 is an apocalyptic number.

It is an amenable number.

42670697633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42670697633 is an equidigital number, since it uses as much as digits as its factorization.

42670697633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 53.

The spelling of 42670697633 in words is "forty-two billion, six hundred seventy million, six hundred ninety-seven thousand, six hundred thirty-three".