2430722141 has 16 divisors (see below), whose sum is σ = 2519515824. Its totient is φ = 2343250944.

The previous prime is 2430722137. The next prime is 2430722143. The reversal of 2430722141 is 1412270342.

It can be written as a sum of positive squares in 8 ways, for example, as 430396516 + 2000325625 = 20746^2 + 44725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430722141 - 2² = 2430722137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2430722141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430722143) 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, 2771195 + ... + 2772071.

It is an arithmetic number, because the mean of its divisors is an integer number (157469739).

Almost surely, 2^2430722141 is an apocalyptic number.

It is an amenable number.

2430722141 is a deficient number, since it is larger than the sum of its proper divisors (88793683).

2430722141 is a wasteful number, since it uses less digits than its factorization.

2430722141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2430722141 is about 49302.3543149818. The cubic root of 2430722141 is about 1344.5545879829.

Adding to 2430722141 its reverse (1412270342), we get a palindrome (3842992483).

The spelling of 2430722141 in words is "two billion, four hundred thirty million, seven hundred twenty-two thousand, one hundred forty-one".