42109630690 has 32 divisors (see below), whose sum is σ = 77040564480. Its totient is φ = 16568664000.

The previous prime is 42109630663. The next prime is 42109630711. The reversal of 42109630690 is 9603690124.

It is a super-2 number, since 2×42109630690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244140 + ... + 379240.

It is an arithmetic number, because the mean of its divisors is an integer number (2407517640).

Almost surely, 2^42109630690 is an apocalyptic number.

42109630690 is a deficient number, since it is larger than the sum of its proper divisors (34930933790).

42109630690 is a wasteful number, since it uses less digits than its factorization.

42109630690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135618.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 42109630690 in words is "forty-two billion, one hundred nine million, six hundred thirty thousand, six hundred ninety".