426748989587 has 2 divisors, whose sum is σ = 426748989588. Its totient is φ = 426748989586.

The previous prime is 426748989523. The next prime is 426748989593. The reversal of 426748989587 is 785989847624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426748989587 - 2⁶ = 426748989523 is a prime.

It is a super-2 number, since 2×426748989587² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426748989287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213374494793 + 213374494794.

It is an arithmetic number, because the mean of its divisors is an integer number (213374494794).

Almost surely, 2^426748989587 is an apocalyptic number.

426748989587 is a deficient number, since it is larger than the sum of its proper divisors (1).

426748989587 is an equidigital number, since it uses as much as digits as its factorization.

426748989587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1950842880, while the sum is 77.

The spelling of 426748989587 in words is "four hundred twenty-six billion, seven hundred forty-eight million, nine hundred eighty-nine thousand, five hundred eighty-seven".