5355737981 has 4 divisors (see below), whose sum is σ = 5842623264. Its totient is φ = 4868852700.

The previous prime is 5355737977. The next prime is 5355738019. The reversal of 5355737981 is 1897375535.

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 a cyclic number.

It is not a de Polignac number, because 5355737981 - 2² = 5355737977 is a prime.

It is a super-2 number, since 2×5355737981² = 57367858642251912722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5355737911) 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, 243442625 + ... + 243442646.

It is an arithmetic number, because the mean of its divisors is an integer number (1460655816).

Almost surely, 2^5355737981 is an apocalyptic number.

It is an amenable number.

5355737981 is a deficient number, since it is larger than the sum of its proper divisors (486885283).

5355737981 is a wasteful number, since it uses less digits than its factorization.

5355737981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486885282.

The product of its digits is 3969000, while the sum is 53.

The square root of 5355737981 is about 73182.9077107490. The cubic root of 5355737981 is about 1749.6040444041.

The spelling of 5355737981 in words is "five billion, three hundred fifty-five million, seven hundred thirty-seven thousand, nine hundred eighty-one".