2911357849 has 9 divisors (see below), whose sum is σ = 2953000533. Its totient is φ = 2870296572.

The previous prime is 2911357817. The next prime is 2911357909. The reversal of 2911357849 is 9487531192.

It is a happy number.

The square root of 2911357849 is 53957.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2911357849 - 2⁵ = 2911357817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2911357249) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4262262 + ... + 4262944.

Almost surely, 2^2911357849 is an apocalyptic number.

2911357849 is the 53957-th square number.

2911357849 is the 26979-th centered octagonal number.

It is an amenable number.

2911357849 is a deficient number, since it is larger than the sum of its proper divisors (41642684).

2911357849 is an frugal number, since it uses more digits than its factorization.

2911357849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 762 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The cubic root of 2911357849 is about 1427.9024211335.

Multiplying 2911357849 by its sum of digits (49), we get a square (142656534601 = 377699²).

The spelling of 2911357849 in words is "two billion, nine hundred eleven million, three hundred fifty-seven thousand, eight hundred forty-nine".