3540587380349 has 4 divisors (see below), whose sum is σ = 3540664140636. Its totient is φ = 3540510620064.

The previous prime is 3540587380289. The next prime is 3540587380357. The reversal of 3540587380349 is 9430837850453.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3110133292249 + 430454088100 = 1763557^2 + 656090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540587380349 - 2⁸ = 3540587380093 is a prime.

It is a super-3 number, since 3×3540587380349³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540587380399) 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, 38310914 + ... + 38403219.

It is an arithmetic number, because the mean of its divisors is an integer number (885166035159).

Almost surely, 2^{3540587380349} is an apocalyptic number.

It is an amenable number.

3540587380349 is a deficient number, since it is larger than the sum of its proper divisors (76760287).

3540587380349 is an equidigital number, since it uses as much as digits as its factorization.

3540587380349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76760286.

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 3540587380349 in words is "three trillion, five hundred forty billion, five hundred eighty-seven million, three hundred eighty thousand, three hundred forty-nine".