425946549133 has 6 divisors (see below), whose sum is σ = 495488842926. Its totient is φ = 365097042072.

The previous prime is 425946549101. The next prime is 425946549173. The reversal of 425946549133 is 331945649524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 309762372969 + 116184176164 = 556563^2 + 340858^2 .

It is not a de Polignac number, because 425946549133 - 2⁵ = 425946549101 is a prime.

It is a super-2 number, since 2×425946549133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425946549173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4346393310 + ... + 4346393407.

It is an arithmetic number, because the mean of its divisors is an integer number (82581473821).

Almost surely, 2^425946549133 is an apocalyptic number.

It is an amenable number.

425946549133 is a deficient number, since it is larger than the sum of its proper divisors (69542293793).

425946549133 is an equidigital number, since it uses as much as digits as its factorization.

425946549133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692786731 (or 8692786724 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 55.

The spelling of 425946549133 in words is "four hundred twenty-five billion, nine hundred forty-six million, five hundred forty-nine thousand, one hundred thirty-three".