83734629409954 has 4 divisors (see below), whose sum is σ = 125601944114934. Its totient is φ = 41867314704976.

The previous prime is 83734629409931. The next prime is 83734629409967. The reversal of 83734629409954 is 45990492643738.

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., 69555149640729 + 14179479769225 = 8339973^2 + 3765565^2 .

It is a super-2 number, since 2×83734629409954² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20933657352487 + ... + 20933657352490.

Almost surely, 2^{83734629409954} is an apocalyptic number.

83734629409954 is a deficient number, since it is larger than the sum of its proper divisors (41867314704980).

83734629409954 is a wasteful number, since it uses less digits than its factorization.

83734629409954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41867314704979.

The product of its (nonzero) digits is 1410877440, while the sum is 73.

The spelling of 83734629409954 in words is "eighty-three trillion, seven hundred thirty-four billion, six hundred twenty-nine million, four hundred nine thousand, nine hundred fifty-four".