9730621431 has 12 divisors (see below), whose sum is σ = 14666444208. Its totient is φ = 6205033824.

The previous prime is 9730621429. The next prime is 9730621447. The reversal of 9730621431 is 1341260379.

It is not a de Polignac number, because 9730621431 - 2¹ = 9730621429 is a prime.

It is a super-2 number, since 2×9730621431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9730621421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23503710 + ... + 23504123.

It is an arithmetic number, because the mean of its divisors is an integer number (1222203684).

Almost surely, 2^9730621431 is an apocalyptic number.

9730621431 is a deficient number, since it is larger than the sum of its proper divisors (4935822777).

9730621431 is a wasteful number, since it uses less digits than its factorization.

9730621431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47007862 (or 47007859 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 9730621431 is about 98643.9122855536. The cubic root of 9730621431 is about 2134.9130515042.

The spelling of 9730621431 in words is "nine billion, seven hundred thirty million, six hundred twenty-one thousand, four hundred thirty-one".