60421919 has 4 divisors (see below), whose sum is σ = 63602040. Its totient is φ = 57241800.

The previous prime is 60421909. The next prime is 60421939. The reversal of 60421919 is 91912406.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60421919 - 2¹⁶ = 60356383 is a prime.

It is a super-2 number, since 2×60421919² = 7301616591285122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60421909) 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, 1590032 + ... + 1590069.

It is an arithmetic number, because the mean of its divisors is an integer number (15900510).

Almost surely, 2^60421919 is an apocalyptic number.

60421919 is a deficient number, since it is larger than the sum of its proper divisors (3180121).

60421919 is a wasteful number, since it uses less digits than its factorization.

60421919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180120.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 60421919 is about 7773.1537357755. The cubic root of 60421919 is about 392.4022643313.

The spelling of 60421919 in words is "sixty million, four hundred twenty-one thousand, nine hundred nineteen".