946457428531 has 4 divisors (see below), whose sum is σ = 946460824192. Its totient is φ = 946454032872.

The previous prime is 946457428487. The next prime is 946457428573. The reversal of 946457428531 is 135824754649.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 946457428531 - 2¹¹ = 946457426483 is a prime.

It is a super-2 number, since 2×946457428531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946457422531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238280 + ... + 1851013.

It is an arithmetic number, because the mean of its divisors is an integer number (236615206048).

Almost surely, 2^946457428531 is an apocalyptic number.

946457428531 is a deficient number, since it is larger than the sum of its proper divisors (3395661).

946457428531 is a wasteful number, since it uses less digits than its factorization.

946457428531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395660.

The product of its digits is 29030400, while the sum is 58.

The spelling of 946457428531 in words is "nine hundred forty-six billion, four hundred fifty-seven million, four hundred twenty-eight thousand, five hundred thirty-one".