4949121802 has 8 divisors (see below), whose sum is σ = 7427837700. Its totient is φ = 2473175904.

The previous prime is 4949121781. The next prime is 4949121803. The reversal of 4949121802 is 2081219494.

It can be written as a sum of positive squares in 2 ways, for example, as 4035933841 + 913187961 = 63529^2 + 30219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4949121802² = 48987613222063454408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4949121803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688027 + ... + 695182.

Almost surely, 2^4949121802 is an apocalyptic number.

4949121802 is a deficient number, since it is larger than the sum of its proper divisors (2478715898).

4949121802 is a wasteful number, since it uses less digits than its factorization.

4949121802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385000.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4949121802 is about 70349.9950390901. The cubic root of 4949121802 is about 1704.1561287013.

The spelling of 4949121802 in words is "four billion, nine hundred forty-nine million, one hundred twenty-one thousand, eight hundred two".