3951549049 has 8 divisors (see below), whose sum is σ = 4545964928. Its totient is φ = 3364610400.

The previous prime is 3951548957. The next prime is 3951549053. The reversal of 3951549049 is 9409451593.

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 3951549049 - 2⁹ = 3951548537 is a prime.

It is a super-2 number, since 2×3951549049² = 31229479773305608802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3951548993 and 3951549011.

It is not an unprimeable number, because it can be changed into a prime (3951549059) 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, 1868172 + ... + 1870285.

It is an arithmetic number, because the mean of its divisors is an integer number (568245616).

Almost surely, 2^3951549049 is an apocalyptic number.

It is an amenable number.

3951549049 is a deficient number, since it is larger than the sum of its proper divisors (594415879).

3951549049 is a wasteful number, since it uses less digits than its factorization.

3951549049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738615.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 3951549049 is about 62861.3478140582. The cubic root of 3951549049 is about 1580.9657409752.

The spelling of 3951549049 in words is "three billion, nine hundred fifty-one million, five hundred forty-nine thousand, forty-nine".