7970335642 has 4 divisors (see below), whose sum is σ = 11955503466. Its totient is φ = 3985167820.

The previous prime is 7970335619. The next prime is 7970335643. The reversal of 7970335642 is 2465330797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7514982721 + 455352921 = 86689^2 + 21339^2 .

It is a super-2 number, since 2×7970335642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7970335592 and 7970335601.

It is not an unprimeable number, because it can be changed into a prime (7970335643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992583909 + ... + 1992583912.

Almost surely, 2^7970335642 is an apocalyptic number.

7970335642 is a deficient number, since it is larger than the sum of its proper divisors (3985167824).

7970335642 is a wasteful number, since it uses less digits than its factorization.

7970335642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985167823.

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 7970335642 is about 89276.7362866721. The cubic root of 7970335642 is about 1997.5249083910.

The spelling of 7970335642 in words is "seven billion, nine hundred seventy million, three hundred thirty-five thousand, six hundred forty-two".