5420607381 has 24 divisors (see below), whose sum is σ = 8950672640. Its totient is φ = 3096670176.

The previous prime is 5420607347. The next prime is 5420607397. The reversal of 5420607381 is 1837060245.

5420607381 is a `hidden beast` number, since 5 + 42 + 0 + 607 + 3 + 8 + 1 = 666.

It is not a de Polignac number, because 5420607381 - 2⁹ = 5420606869 is a prime.

It is a super-2 number, since 2×5420607381² = 58765968757903358322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420605381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292335 + ... + 310323.

Almost surely, 2^5420607381 is an apocalyptic number.

It is an amenable number.

5420607381 is a deficient number, since it is larger than the sum of its proper divisors (3530065259).

5420607381 is a wasteful number, since it uses less digits than its factorization.

5420607381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22785 (or 22782 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5420607381 is about 73624.7742339493. The cubic root of 5420607381 is about 1756.6395266296.

The spelling of 5420607381 in words is "five billion, four hundred twenty million, six hundred seven thousand, three hundred eighty-one".