373509649 has 8 divisors (see below), whose sum is σ = 380064960. Its totient is φ = 366968400.

The previous prime is 373509571. The next prime is 373509671. The reversal of 373509649 is 946905373.

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 373509649 - 2¹⁵ = 373476881 is a prime.

It is a super-2 number, since 2×373509649² = 279018915792206402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 373509599 and 373509608.

It is not an unprimeable number, because it can be changed into a prime (373509349) 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, 59922 + ... + 65860.

It is an arithmetic number, because the mean of its divisors is an integer number (47508120).

Almost surely, 2^373509649 is an apocalyptic number.

It is an amenable number.

373509649 is a deficient number, since it is larger than the sum of its proper divisors (6555311).

373509649 is a wasteful number, since it uses less digits than its factorization.

373509649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 373509649 is about 19326.3977243562. The cubic root of 373509649 is about 720.1682020863.

The spelling of 373509649 in words is "three hundred seventy-three million, five hundred nine thousand, six hundred forty-nine".