7400898279189 has 12 divisors (see below), whose sum is σ = 10749248208972. Its totient is φ = 4906672891200.

The previous prime is 7400898279161. The next prime is 7400898279199. The reversal of 7400898279189 is 9819728980047.

It can be written as a sum of positive squares in 2 ways, for example, as 3507597088164 + 3893301191025 = 1872858^2 + 1973145^2 .

It is not a de Polignac number, because 7400898279189 - 2⁵ = 7400898279157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400898279109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2271606192 + ... + 2271609449.

It is an arithmetic number, because the mean of its divisors is an integer number (895770684081).

Almost surely, 2^{7400898279189} is an apocalyptic number.

It is an amenable number.

7400898279189 is a deficient number, since it is larger than the sum of its proper divisors (3348349929783).

7400898279189 is a wasteful number, since it uses less digits than its factorization.

7400898279189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543215828 (or 4543215825 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 72.

The spelling of 7400898279189 in words is "seven trillion, four hundred billion, eight hundred ninety-eight million, two hundred seventy-nine thousand, one hundred eighty-nine".