42654457439963 has 2 divisors, whose sum is σ = 42654457439964. Its totient is φ = 42654457439962.

The previous prime is 42654457439953. The next prime is 42654457440071. The reversal of 42654457439963 is 36993475445624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42654457439963 - 2⁸ = 42654457439707 is a prime.

It is a super-2 number, since 2×42654457439963² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42654457439953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327228719981 + 21327228719982.

It is an arithmetic number, because the mean of its divisors is an integer number (21327228719982).

Almost surely, 2^{42654457439963} is an apocalyptic number.

42654457439963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42654457439963 is an equidigital number, since it uses as much as digits as its factorization.

42654457439963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2351462400, while the sum is 71.

The spelling of 42654457439963 in words is "forty-two trillion, six hundred fifty-four billion, four hundred fifty-seven million, four hundred thirty-nine thousand, nine hundred sixty-three".