2490361397 has 2 divisors, whose sum is σ = 2490361398. Its totient is φ = 2490361396.

The previous prime is 2490361373. The next prime is 2490361429. The reversal of 2490361397 is 7931630942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2408748241 + 81613156 = 49079^2 + 9034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490361397 - 2⁶ = 2490361333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2490361337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245180698 + 1245180699.

It is an arithmetic number, because the mean of its divisors is an integer number (1245180699).

Almost surely, 2^2490361397 is an apocalyptic number.

It is an amenable number.

2490361397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490361397 is an equidigital number, since it uses as much as digits as its factorization.

2490361397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 2490361397 is about 49903.5208878091. The cubic root of 2490361397 is about 1355.4623489949.

The spelling of 2490361397 in words is "two billion, four hundred ninety million, three hundred sixty-one thousand, three hundred ninety-seven".