65402304634 has 4 divisors (see below), whose sum is σ = 98103456954. Its totient is φ = 32701152316.

The previous prime is 65402304629. The next prime is 65402304677. The reversal of 65402304634 is 43640320456.

It is a happy number.

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., 49393729009 + 16008575625 = 222247^2 + 126525^2 .

It is a super-2 number, since 2×65402304634² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65402304593 and 65402304602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16350576157 + ... + 16350576160.

Almost surely, 2^65402304634 is an apocalyptic number.

65402304634 is a deficient number, since it is larger than the sum of its proper divisors (32701152320).

65402304634 is a wasteful number, since it uses less digits than its factorization.

65402304634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32701152319.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 65402304634 in words is "sixty-five billion, four hundred two million, three hundred four thousand, six hundred thirty-four".