10215430642 has 8 divisors (see below), whose sum is σ = 15332904432. Its totient is φ = 5104462500.

The previous prime is 10215430637. The next prime is 10215430649. The reversal of 10215430642 is 24603451201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10215430642.

It is not an unprimeable number, because it can be changed into a prime (10215430649) 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, 1622484 + ... + 1628767.

It is an arithmetic number, because the mean of its divisors is an integer number (1916613054).

Almost surely, 2^10215430642 is an apocalyptic number.

10215430642 is a deficient number, since it is larger than the sum of its proper divisors (5117473790).

10215430642 is a wasteful number, since it uses less digits than its factorization.

10215430642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252824.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10215430642 its reverse (24603451201), we get a palindrome (34818881843).

The spelling of 10215430642 in words is "ten billion, two hundred fifteen million, four hundred thirty thousand, six hundred forty-two".