3540894997 has 8 divisors (see below), whose sum is σ = 3750247512. Its totient is φ = 3331660800.

The previous prime is 3540894961. The next prime is 3540895009. The reversal of 3540894997 is 7994980453.

It can be written as a sum of positive squares in 4 ways, for example, as 1820387556 + 1720507441 = 42666^2 + 41479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3540894997 - 2⁷ = 3540894869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540894197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36247 + ... + 91627.

It is an arithmetic number, because the mean of its divisors is an integer number (468780939).

Almost surely, 2^3540894997 is an apocalyptic number.

It is an amenable number.

3540894997 is a deficient number, since it is larger than the sum of its proper divisors (209352515).

3540894997 is a wasteful number, since it uses less digits than its factorization.

3540894997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59159.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 3540894997 is about 59505.4198960061. The cubic root of 3540894997 is about 1524.1849981113.

The spelling of 3540894997 in words is "three billion, five hundred forty million, eight hundred ninety-four thousand, nine hundred ninety-seven".