2357991949 has 8 divisors (see below), whose sum is σ = 2378585088. Its totient is φ = 2337469680.

The previous prime is 2357991931. The next prime is 2357991973. The reversal of 2357991949 is 9491997532.

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 2357991949 - 2⁵ = 2357991917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2357991893 and 2357991902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2357991929) 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, 50244 + ... + 85090.

It is an arithmetic number, because the mean of its divisors is an integer number (297323136).

Almost surely, 2^2357991949 is an apocalyptic number.

It is an amenable number.

2357991949 is a deficient number, since it is larger than the sum of its proper divisors (20593139).

2357991949 is a wasteful number, since it uses less digits than its factorization.

2357991949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35435.

The product of its digits is 5511240, while the sum is 58.

The square root of 2357991949 is about 48559.1592699050. The cubic root of 2357991949 is about 1331.0083274436.

The spelling of 2357991949 in words is "two billion, three hundred fifty-seven million, nine hundred ninety-one thousand, nine hundred forty-nine".