7542119641 has 10 divisors (see below), whose sum is σ = 8798618842. Its totient is φ = 6464671920.

The previous prime is 7542119623. The next prime is 7542119647. The reversal of 7542119641 is 1469112457.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6616195600 + 925924041 = 81340^2 + 30429^2 .

It is not a de Polignac number, because 7542119641 - 2⁵ = 7542119609 is a prime.

It is a super-3 number, since 3×7542119641³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7542119594 and 7542119603.

It is not an unprimeable number, because it can be changed into a prime (7542119647) 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 9 ways as a sum of consecutive naturals, for example, 1568220 + ... + 1573021.

Almost surely, 2^7542119641 is an apocalyptic number.

It is an amenable number.

7542119641 is a deficient number, since it is larger than the sum of its proper divisors (1256499201).

7542119641 is an frugal number, since it uses more digits than its factorization.

7542119641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141269 (or 3141248 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 7542119641 is about 86845.3777756767. The cubic root of 7542119641 is about 1961.0912673034.

The spelling of 7542119641 in words is "seven billion, five hundred forty-two million, one hundred nineteen thousand, six hundred forty-one".