3649366957 has 8 divisors (see below), whose sum is σ = 3735101216. Its totient is φ = 3563672112.

The previous prime is 3649366949. The next prime is 3649367009. The reversal of 3649366957 is 7596639463.

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 3649366957 - 2³ = 3649366949 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 (3649366937) 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, 268438 + ... + 281704.

It is an arithmetic number, because the mean of its divisors is an integer number (466887652).

Almost surely, 2^3649366957 is an apocalyptic number.

It is an amenable number.

3649366957 is a deficient number, since it is larger than the sum of its proper divisors (85734259).

3649366957 is a wasteful number, since it uses less digits than its factorization.

3649366957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707.

The product of its digits is 22044960, while the sum is 58.

The square root of 3649366957 is about 60409.9905396450. The cubic root of 3649366957 is about 1539.5927068458.

The spelling of 3649366957 in words is "three billion, six hundred forty-nine million, three hundred sixty-six thousand, nine hundred fifty-seven".