3621029294 has 4 divisors (see below), whose sum is σ = 5431543944. Its totient is φ = 1810514646.

The previous prime is 3621029287. The next prime is 3621029333. The reversal of 3621029294 is 4929201263.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3621029294² = 26223706296012276872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905257322 + ... + 905257325.

It is an arithmetic number, because the mean of its divisors is an integer number (1357885986).

Almost surely, 2^3621029294 is an apocalyptic number.

3621029294 is a deficient number, since it is larger than the sum of its proper divisors (1810514650).

3621029294 is a wasteful number, since it uses less digits than its factorization.

3621029294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810514649.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3621029294 is about 60174.9889405889. The cubic root of 3621029294 is about 1535.5973220939.

The spelling of 3621029294 in words is "three billion, six hundred twenty-one million, twenty-nine thousand, two hundred ninety-four".