7121965634 has 8 divisors (see below), whose sum is σ = 12209083968. Its totient is φ = 3052270980.

The previous prime is 7121965603. The next prime is 7121965649. The reversal of 7121965634 is 4365691217.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254355902 + ... + 254355929.

It is an arithmetic number, because the mean of its divisors is an integer number (1526135496).

Almost surely, 2^7121965634 is an apocalyptic number.

7121965634 is a deficient number, since it is larger than the sum of its proper divisors (5087118334).

7121965634 is a wasteful number, since it uses less digits than its factorization.

7121965634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508711840.

The product of its digits is 272160, while the sum is 44.

The square root of 7121965634 is about 84391.7391336380. The cubic root of 7121965634 is about 1923.9773628516.

The spelling of 7121965634 in words is "seven billion, one hundred twenty-one million, nine hundred sixty-five thousand, six hundred thirty-four".