4263421557 has 8 divisors (see below), whose sum is σ = 5748433920. Its totient is φ = 2810345120.

The previous prime is 4263421553. The next prime is 4263421627. The reversal of 4263421557 is 7551243624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4263421557 - 2² = 4263421553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4263421553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983669 + ... + 7984202.

It is an arithmetic number, because the mean of its divisors is an integer number (718554240).

Almost surely, 2^4263421557 is an apocalyptic number.

It is an amenable number.

4263421557 is a deficient number, since it is larger than the sum of its proper divisors (1485012363).

4263421557 is a wasteful number, since it uses less digits than its factorization.

4263421557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15967963.

The product of its digits is 201600, while the sum is 39.

The square root of 4263421557 is about 65294.8815528446. The cubic root of 4263421557 is about 1621.5092317671.

The spelling of 4263421557 in words is "four billion, two hundred sixty-three million, four hundred twenty-one thousand, five hundred fifty-seven".