43697879634 has 16 divisors (see below), whose sum is σ = 87413643072. Its totient is φ = 14562979248.

The previous prime is 43697879629. The next prime is 43697879639.

It is a happy number.

43697879634 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (43697879629) and next prime (43697879639).

It is not an unprimeable number, because it can be changed into a prime (43697879639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713289 + ... + 772124.

It is an arithmetic number, because the mean of its divisors is an integer number (5463352692).

Almost surely, 2^43697879634 is an apocalyptic number.

43697879634 is an abundant number, since it is smaller than the sum of its proper divisors (43715763438).

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

43697879634 is a wasteful number, since it uses less digits than its factorization.

43697879634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490321.

The product of its digits is 164602368, while the sum is 66.

The spelling of 43697879634 in words is "forty-three billion, six hundred ninety-seven million, eight hundred seventy-nine thousand, six hundred thirty-four".