6541430354 has 4 divisors (see below), whose sum is σ = 9812145534. Its totient is φ = 3270715176.

The previous prime is 6541430351. The next prime is 6541430369. The reversal of 6541430354 is 4530341456.

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

It can be written as a sum of positive squares in only one way, i.e., 3915380329 + 2626050025 = 62573^2 + 51245^2 .

It is a super-2 number, since 2×6541430354² = 85580622152465130632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6541430351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635357587 + ... + 1635357590.

Almost surely, 2^6541430354 is an apocalyptic number.

6541430354 is a deficient number, since it is larger than the sum of its proper divisors (3270715180).

6541430354 is a wasteful number, since it uses less digits than its factorization.

6541430354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270715179.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 6541430354 is about 80879.1095030107. The cubic root of 6541430354 is about 1870.2122929030.

The spelling of 6541430354 in words is "six billion, five hundred forty-one million, four hundred thirty thousand, three hundred fifty-four".