7554942381 has 16 divisors (see below), whose sum is σ = 11588538368. Its totient is φ = 4288518000.

The previous prime is 7554942371. The next prime is 7554942383. The reversal of 7554942381 is 1832494557.

It is not a de Polignac number, because 7554942381 - 2⁵ = 7554942349 is a prime.

It is a super-2 number, since 2×7554942381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7554942381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7554942383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188085 + ... + 1194426.

It is an arithmetic number, because the mean of its divisors is an integer number (724283648).

Almost surely, 2^7554942381 is an apocalyptic number.

It is an amenable number.

7554942381 is a deficient number, since it is larger than the sum of its proper divisors (4033595987).

7554942381 is a wasteful number, since it uses less digits than its factorization.

7554942381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382672.

The product of its digits is 1209600, while the sum is 48.

The square root of 7554942381 is about 86919.1715388498. The cubic root of 7554942381 is about 1962.2020216225.

The spelling of 7554942381 in words is "seven billion, five hundred fifty-four million, nine hundred forty-two thousand, three hundred eighty-one".