61675999434 has 36 divisors (see below), whose sum is σ = 155448694674. Its totient is φ = 17621713872.

The previous prime is 61675999423. The next prime is 61675999453. The reversal of 61675999434 is 43499957616.

61675999434 is a `hidden beast` number, since 6 + 1 + 6 + 7 + 599 + 9 + 4 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41433823809 + 20242175625 = 203553^2 + 142275^2 .

It is a super-3 number, since 3×61675999434³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34962837 + ... + 34964600.

Almost surely, 2^61675999434 is an apocalyptic number.

61675999434 is an abundant number, since it is smaller than the sum of its proper divisors (93772695240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61675999434 is a wasteful number, since it uses less digits than its factorization.

61675999434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69927459 (or 69927449 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 61675999434 in words is "sixty-one billion, six hundred seventy-five million, nine hundred ninety-nine thousand, four hundred thirty-four".