9001929394 has 4 divisors (see below), whose sum is σ = 13502894094. Its totient is φ = 4500964696.

The previous prime is 9001929341. The next prime is 9001929463. The reversal of 9001929394 is 4939291009.

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., 5267130625 + 3734798769 = 72575^2 + 61113^2 .

It is a super-2 number, since 2×9001929394² (a number of 21 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, 2250482347 + ... + 2250482350.

Almost surely, 2^9001929394 is an apocalyptic number.

9001929394 is a deficient number, since it is larger than the sum of its proper divisors (4500964700).

9001929394 is a wasteful number, since it uses less digits than its factorization.

9001929394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500964699.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 9001929394 is about 94878.4980593601. The cubic root of 9001929394 is about 2080.2324532184.

The spelling of 9001929394 in words is "nine billion, one million, nine hundred twenty-nine thousand, three hundred ninety-four".