46431985461 has 4 divisors (see below), whose sum is σ = 61909313952. Its totient is φ = 30954656972.

The previous prime is 46431985417. The next prime is 46431985469. The reversal of 46431985461 is 16458913464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46431985461 - 2¹¹ = 46431983413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46431985469) 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, 7738664241 + ... + 7738664246.

It is an arithmetic number, because the mean of its divisors is an integer number (15477328488).

Almost surely, 2^46431985461 is an apocalyptic number.

It is an amenable number.

46431985461 is a deficient number, since it is larger than the sum of its proper divisors (15477328491).

46431985461 is a wasteful number, since it uses less digits than its factorization.

46431985461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477328490.

The product of its digits is 2488320, while the sum is 51.

The spelling of 46431985461 in words is "forty-six billion, four hundred thirty-one million, nine hundred eighty-five thousand, four hundred sixty-one".