47390235690625 has 12 divisors (see below), whose sum is σ = 59234003398332. Its totient is φ = 37912188550000.

The previous prime is 47390235690587. The next prime is 47390235690631. The reversal of 47390235690625 is 52609653209374.

It can be written as a sum of positive squares in 6 ways, for example, as 39062850000784 + 8327385689841 = 6250028^2 + 2885721^2 .

It is not a de Polignac number, because 47390235690625 - 2⁹ = 47390235690113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7582434586 + ... + 7582440835.

It is an arithmetic number, because the mean of its divisors is an integer number (4936166949861).

Almost surely, 2^{47390235690625} is an apocalyptic number.

It is an amenable number.

47390235690625 is a deficient number, since it is larger than the sum of its proper divisors (11843767707707).

47390235690625 is an frugal number, since it uses more digits than its factorization.

47390235690625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164875446 (or 15164875426 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 61.

Adding to 47390235690625 its reverse (52609653209374), we get a palindrome (99999888899999).

The spelling of 47390235690625 in words is "forty-seven trillion, three hundred ninety billion, two hundred thirty-five million, six hundred ninety thousand, six hundred twenty-five".