42670135763537 has 2 divisors, whose sum is σ = 42670135763538. Its totient is φ = 42670135763536.

The previous prime is 42670135763491. The next prime is 42670135763569. The reversal of 42670135763537 is 73536753107624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42445759231681 + 224376531856 = 6515041^2 + 473684^2 .

It is a cyclic number.

It is not a de Polignac number, because 42670135763537 - 2⁶ = 42670135763473 is a prime.

It is not a weakly prime, because it can be changed into another prime (42670135760537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21335067881768 + 21335067881769.

It is an arithmetic number, because the mean of its divisors is an integer number (21335067881769).

Almost surely, 2^{42670135763537} is an apocalyptic number.

It is an amenable number.

42670135763537 is a deficient number, since it is larger than the sum of its proper divisors (1).

42670135763537 is an equidigital number, since it uses as much as digits as its factorization.

42670135763537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66679200, while the sum is 59.

The spelling of 42670135763537 in words is "forty-two trillion, six hundred seventy billion, one hundred thirty-five million, seven hundred sixty-three thousand, five hundred thirty-seven".