3540952981 has 2 divisors, whose sum is σ = 3540952982. Its totient is φ = 3540952980.

The previous prime is 3540952973. The next prime is 3540953081. The reversal of 3540952981 is 1892590453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3416987025 + 123965956 = 58455^2 + 11134^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540952981 - 2³ = 3540952973 is a prime.

It is a super-2 number, since 2×3540952981² = 25076696027305572722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3540952901) 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 as a sum of consecutive naturals, namely, 1770476490 + 1770476491.

It is an arithmetic number, because the mean of its divisors is an integer number (1770476491).

Almost surely, 2^3540952981 is an apocalyptic number.

It is an amenable number.

3540952981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540952981 is an equidigital number, since it uses as much as digits as its factorization.

3540952981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 3540952981 is about 59505.9071101349. The cubic root of 3540952981 is about 1524.1933178403.

The spelling of 3540952981 in words is "three billion, five hundred forty million, nine hundred fifty-two thousand, nine hundred eighty-one".