4238997501 has 4 divisors (see below), whose sum is σ = 5651996672. Its totient is φ = 2825998332.

The previous prime is 4238997467. The next prime is 4238997517. The reversal of 4238997501 is 1057998324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4238997501 - 2⁶ = 4238997437 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 (4238997571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706499581 + ... + 706499586.

It is an arithmetic number, because the mean of its divisors is an integer number (1412999168).

Almost surely, 2^4238997501 is an apocalyptic number.

It is an amenable number.

4238997501 is a deficient number, since it is larger than the sum of its proper divisors (1412999171).

4238997501 is a wasteful number, since it uses less digits than its factorization.

4238997501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412999170.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 4238997501 is about 65107.5840513223. The cubic root of 4238997501 is about 1618.4068956019.

The spelling of 4238997501 in words is "four billion, two hundred thirty-eight million, nine hundred ninety-seven thousand, five hundred one".