4951898142 has 32 divisors (see below), whose sum is σ = 11038291200. Its totient is φ = 1471771008.

The previous prime is 4951898141. The next prime is 4951898201. The reversal of 4951898142 is 2418981594.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951898141) 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, 1275642 + ... + 1279517.

It is an arithmetic number, because the mean of its divisors is an integer number (344946600).

Almost surely, 2^4951898142 is an apocalyptic number.

4951898142 is an abundant number, since it is smaller than the sum of its proper divisors (6086393058).

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

4951898142 is a wasteful number, since it uses less digits than its factorization.

4951898142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555200.

The product of its digits is 829440, while the sum is 51.

The square root of 4951898142 is about 70369.7246122223. The cubic root of 4951898142 is about 1704.4747328613.

The spelling of 4951898142 in words is "four billion, nine hundred fifty-one million, eight hundred ninety-eight thousand, one hundred forty-two".