3457009981 has 8 divisors (see below), whose sum is σ = 3569769728. Its totient is φ = 3344328000.

The previous prime is 3457009979. The next prime is 3457009991. The reversal of 3457009981 is 1899007543.

It is a happy number.

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 3457009981 - 2¹ = 3457009979 is a prime.

It is a super-2 number, since 2×3457009981² = 23901836017467240722, which contains 22 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 (3457009991) 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 7 ways as a sum of consecutive naturals, for example, 78886 + ... + 114616.

It is an arithmetic number, because the mean of its divisors is an integer number (446221216).

Almost surely, 2^3457009981 is an apocalyptic number.

3457009981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3457009981 is a deficient number, since it is larger than the sum of its proper divisors (112759747).

3457009981 is a wasteful number, since it uses less digits than its factorization.

3457009981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38883.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 3457009981 is about 58796.3432621451. The cubic root of 3457009981 is about 1512.0525251961.

The spelling of 3457009981 in words is "three billion, four hundred fifty-seven million, nine thousand, nine hundred eighty-one".