4749892542 has 128 divisors (see below), whose sum is σ = 11228544000. Its totient is φ = 1485993600.

The previous prime is 4749892493. The next prime is 4749892591. The reversal of 4749892542 is 2452989474.

It is a happy number.

4749892542 is a `hidden beast` number, since 4 + 7 + 4 + 9 + 8 + 92 + 542 = 666.

It is an interprime number because it is at equal distance from previous prime (4749892493) and next prime (4749892591).

It is a super-2 number, since 2×4749892542² = 45122958321094443528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12532509 + ... + 12532887.

It is an arithmetic number, because the mean of its divisors is an integer number (87723000).

Almost surely, 2^4749892542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4749892542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5614272000).

4749892542 is an abundant number, since it is smaller than the sum of its proper divisors (6478651458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4749892542 is a wasteful number, since it uses less digits than its factorization.

4749892542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 617 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 4749892542 is about 68919.4641737731. The cubic root of 4749892542 is about 1680.9750271231.

The spelling of 4749892542 in words is "four billion, seven hundred forty-nine million, eight hundred ninety-two thousand, five hundred forty-two".