7280901149 has 4 divisors (see below), whose sum is σ = 7515768960. Its totient is φ = 7046033340.

The previous prime is 7280901139. The next prime is 7280901161. The reversal of 7280901149 is 9411090827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9411090827 = 29191 ⋅322397.

It is a cyclic number.

It is not a de Polignac number, because 7280901149 - 2¹² = 7280897053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280901109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117433859 + ... + 117433920.

It is an arithmetic number, because the mean of its divisors is an integer number (1878942240).

Almost surely, 2^7280901149 is an apocalyptic number.

It is an amenable number.

7280901149 is a deficient number, since it is larger than the sum of its proper divisors (234867811).

7280901149 is a wasteful number, since it uses less digits than its factorization.

7280901149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234867810.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 7280901149 is about 85328.1966819878. The cubic root of 7280901149 is about 1938.1841822828.

The spelling of 7280901149 in words is "seven billion, two hundred eighty million, nine hundred one thousand, one hundred forty-nine".