4900490639 has 16 divisors (see below), whose sum is σ = 5380642080. Its totient is φ = 4426181760.

The previous prime is 4900490627. The next prime is 4900490663. The reversal of 4900490639 is 9360940094.

It is a happy number.

It is not a de Polignac number, because 4900490639 - 2¹² = 4900486543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4900490639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4900490939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367497 + ... + 2369565.

It is an arithmetic number, because the mean of its divisors is an integer number (336290130).

Almost surely, 2^4900490639 is an apocalyptic number.

4900490639 is a deficient number, since it is larger than the sum of its proper divisors (480151441).

4900490639 is a wasteful number, since it uses less digits than its factorization.

4900490639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 4900490639 is about 70003.5044765617. The cubic root of 4900490639 is about 1698.5559408242. Note that the first 3 decimals are identical.

The spelling of 4900490639 in words is "four billion, nine hundred million, four hundred ninety thousand, six hundred thirty-nine".