4202421501 has 32 divisors (see below), whose sum is σ = 5996784640. Its totient is φ = 2610123264.

The previous prime is 4202421499. The next prime is 4202421541. The reversal of 4202421501 is 1051242024.

It is not a de Polignac number, because 4202421501 - 2¹ = 4202421499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202421541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898896 + ... + 903558.

It is an arithmetic number, because the mean of its divisors is an integer number (187399520).

Almost surely, 2^4202421501 is an apocalyptic number.

It is an amenable number.

4202421501 is a deficient number, since it is larger than the sum of its proper divisors (1794363139).

4202421501 is a wasteful number, since it uses less digits than its factorization.

4202421501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4202421501 is about 64826.0865778585. The cubic root of 4202421501 is about 1613.7386593958.

Adding to 4202421501 its reverse (1051242024), we get a palindrome (5253663525).

The spelling of 4202421501 in words is "four billion, two hundred two million, four hundred twenty-one thousand, five hundred one".