3955694026 has 4 divisors (see below), whose sum is σ = 5933541042. Its totient is φ = 1977847012.

The previous prime is 3955693991. The next prime is 3955694101. The reversal of 3955694026 is 6204965593.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6204965593 = 1427 ⋅4348259.

It can be written as a sum of positive squares in only one way, i.e., 3493401025 + 462293001 = 59105^2 + 21501^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988923505 + ... + 988923508.

Almost surely, 2^3955694026 is an apocalyptic number.

3955694026 is a deficient number, since it is larger than the sum of its proper divisors (1977847016).

3955694026 is a wasteful number, since it uses less digits than its factorization.

3955694026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977847015.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The square root of 3955694026 is about 62894.3083752417. The cubic root of 3955694026 is about 1581.5183324280.

The spelling of 3955694026 in words is "three billion, nine hundred fifty-five million, six hundred ninety-four thousand, twenty-six".